Home / 19,532.28-29,291.70-6,381.39

Finding the Fourth Proportional to 19,532.28, 29,291.70 and 6,381.39

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Solution

The fourth proportional to 19,532.28, 29,291.70 and 6,381.39 is: 9,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.28 : 29,291.70 = 6,381.39 : x
  2. Step 2: Convert to fraction form
    19,532.28/29,291.70 = 6,381.39/x
  3. Step 3: Cross multiply
    19,532.28x = 29,291.70 × 6,381.39
  4. Step 4: Simplify right side
    19,532.28x = 186,921,761.46
  5. Step 5: Solve for x
    x = 186,921,761.46/19,532.28
  6. Step 6: Final answer
    x = 9,569.89

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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.