Home / 15,461.99-21,338.07-9,088.49

Finding the Fourth Proportional to 15,461.99, 21,338.07 and 9,088.49

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Solution

The fourth proportional to 15,461.99, 21,338.07 and 9,088.49 is: 12,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.99 : 21,338.07 = 9,088.49 : x
  2. Step 2: Convert to fraction form
    15,461.99/21,338.07 = 9,088.49/x
  3. Step 3: Cross multiply
    15,461.99x = 21,338.07 × 9,088.49
  4. Step 4: Simplify right side
    15,461.99x = 193,930,735.05
  5. Step 5: Solve for x
    x = 193,930,735.05/15,461.99
  6. Step 6: Final answer
    x = 12,542.42

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Half scale
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Double scale
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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.