Home / 38,344.87-57,534.04-13,402.81

Finding the Fourth Proportional to 38,344.87, 57,534.04 and 13,402.81

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Solution

The fourth proportional to 38,344.87, 57,534.04 and 13,402.81 is: 20,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.87 : 57,534.04 = 13,402.81 : x
  2. Step 2: Convert to fraction form
    38,344.87/57,534.04 = 13,402.81/x
  3. Step 3: Cross multiply
    38,344.87x = 57,534.04 × 13,402.81
  4. Step 4: Simplify right side
    38,344.87x = 771,117,895.32
  5. Step 5: Solve for x
    x = 771,117,895.32/38,344.87
  6. Step 6: Final answer
    x = 20,110.07

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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.