Home / 38,006.80-57,016.32-11,711.53

Finding the Fourth Proportional to 38,006.80, 57,016.32 and 11,711.53

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Solution

The fourth proportional to 38,006.80, 57,016.32 and 11,711.53 is: 17,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,006.80 : 57,016.32 = 11,711.53 : x
  2. Step 2: Convert to fraction form
    38,006.80/57,016.32 = 11,711.53/x
  3. Step 3: Cross multiply
    38,006.80x = 57,016.32 × 11,711.53
  4. Step 4: Simplify right side
    38,006.80x = 667,748,199.63
  5. Step 5: Solve for x
    x = 667,748,199.63/38,006.80
  6. Step 6: Final answer
    x = 17,569.18

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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.