Home / 15,721.67-23,573.46-9,402.86

Finding the Fourth Proportional to 15,721.67, 23,573.46 and 9,402.86

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Solution

The fourth proportional to 15,721.67, 23,573.46 and 9,402.86 is: 14,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.67 : 23,573.46 = 9,402.86 : x
  2. Step 2: Convert to fraction form
    15,721.67/23,573.46 = 9,402.86/x
  3. Step 3: Cross multiply
    15,721.67x = 23,573.46 × 9,402.86
  4. Step 4: Simplify right side
    15,721.67x = 221,657,944.10
  5. Step 5: Solve for x
    x = 221,657,944.10/15,721.67
  6. Step 6: Final answer
    x = 14,098.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.