Home / 14,711.39-20,306.36-9,406.23

Finding the Fourth Proportional to 14,711.39, 20,306.36 and 9,406.23

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Solution

The fourth proportional to 14,711.39, 20,306.36 and 9,406.23 is: 12,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.39 : 20,306.36 = 9,406.23 : x
  2. Step 2: Convert to fraction form
    14,711.39/20,306.36 = 9,406.23/x
  3. Step 3: Cross multiply
    14,711.39x = 20,306.36 × 9,406.23
  4. Step 4: Simplify right side
    14,711.39x = 191,006,292.62
  5. Step 5: Solve for x
    x = 191,006,292.62/14,711.39
  6. Step 6: Final answer
    x = 12,983.57

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Double scale
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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.