Home / 15,729.74-23,555.17-9,400.73

Finding the Fourth Proportional to 15,729.74, 23,555.17 and 9,400.73

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Solution

The fourth proportional to 15,729.74, 23,555.17 and 9,400.73 is: 14,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.74 : 23,555.17 = 9,400.73 : x
  2. Step 2: Convert to fraction form
    15,729.74/23,555.17 = 9,400.73/x
  3. Step 3: Cross multiply
    15,729.74x = 23,555.17 × 9,400.73
  4. Step 4: Simplify right side
    15,729.74x = 221,435,687.25
  5. Step 5: Solve for x
    x = 221,435,687.25/15,729.74
  6. Step 6: Final answer
    x = 14,077.52

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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.