Home / 16,765.64-23,140.74-9,691.04

Finding the Fourth Proportional to 16,765.64, 23,140.74 and 9,691.04

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Solution

The fourth proportional to 16,765.64, 23,140.74 and 9,691.04 is: 13,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.64 : 23,140.74 = 9,691.04 : x
  2. Step 2: Convert to fraction form
    16,765.64/23,140.74 = 9,691.04/x
  3. Step 3: Cross multiply
    16,765.64x = 23,140.74 × 9,691.04
  4. Step 4: Simplify right side
    16,765.64x = 224,257,836.97
  5. Step 5: Solve for x
    x = 224,257,836.97/16,765.64
  6. Step 6: Final answer
    x = 13,376.04

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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.