Home / 19,640.43-29,437.29-9,095.76

Finding the Fourth Proportional to 19,640.43, 29,437.29 and 9,095.76

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Solution

The fourth proportional to 19,640.43, 29,437.29 and 9,095.76 is: 13,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.43 : 29,437.29 = 9,095.76 : x
  2. Step 2: Convert to fraction form
    19,640.43/29,437.29 = 9,095.76/x
  3. Step 3: Cross multiply
    19,640.43x = 29,437.29 × 9,095.76
  4. Step 4: Simplify right side
    19,640.43x = 267,754,524.89
  5. Step 5: Solve for x
    x = 267,754,524.89/19,640.43
  6. Step 6: Final answer
    x = 13,632.82

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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.