Home / 15,465.69-21,341.37-9,092.49

Finding the Fourth Proportional to 15,465.69, 21,341.37 and 9,092.49

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Solution

The fourth proportional to 15,465.69, 21,341.37 and 9,092.49 is: 12,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.69 : 21,341.37 = 9,092.49 : x
  2. Step 2: Convert to fraction form
    15,465.69/21,341.37 = 9,092.49/x
  3. Step 3: Cross multiply
    15,465.69x = 21,341.37 × 9,092.49
  4. Step 4: Simplify right side
    15,465.69x = 194,046,193.31
  5. Step 5: Solve for x
    x = 194,046,193.31/15,465.69
  6. Step 6: Final answer
    x = 12,546.88

Related Problems

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Half scale
Find fourth proportional to 30,931.38, 42,682.74 and 18,184.98
Double scale
Find fourth proportional to 15,466.69, 21,342.75 and 9,093.49
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.