Home / 15,465.42-21,341.88-9,092.07

Finding the Fourth Proportional to 15,465.42, 21,341.88 and 9,092.07

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Solution

The fourth proportional to 15,465.42, 21,341.88 and 9,092.07 is: 12,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.42 : 21,341.88 = 9,092.07 : x
  2. Step 2: Convert to fraction form
    15,465.42/21,341.88 = 9,092.07/x
  3. Step 3: Cross multiply
    15,465.42x = 21,341.88 × 9,092.07
  4. Step 4: Simplify right side
    15,465.42x = 194,041,866.89
  5. Step 5: Solve for x
    x = 194,041,866.89/15,465.42
  6. Step 6: Final answer
    x = 12,546.82

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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.