Home / 19,425.92-26,812.17-13,754.70

Finding the Fourth Proportional to 19,425.92, 26,812.17 and 13,754.70

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Solution

The fourth proportional to 19,425.92, 26,812.17 and 13,754.70 is: 18,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.92 : 26,812.17 = 13,754.70 : x
  2. Step 2: Convert to fraction form
    19,425.92/26,812.17 = 13,754.70/x
  3. Step 3: Cross multiply
    19,425.92x = 26,812.17 × 13,754.70
  4. Step 4: Simplify right side
    19,425.92x = 368,793,354.70
  5. Step 5: Solve for x
    x = 368,793,354.70/19,425.92
  6. Step 6: Final answer
    x = 18,984.61

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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.