Home / 38,396.68-57,601.08-13,436.12

Finding the Fourth Proportional to 38,396.68, 57,601.08 and 13,436.12

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Solution

The fourth proportional to 38,396.68, 57,601.08 and 13,436.12 is: 20,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396.68 : 57,601.08 = 13,436.12 : x
  2. Step 2: Convert to fraction form
    38,396.68/57,601.08 = 13,436.12/x
  3. Step 3: Cross multiply
    38,396.68x = 57,601.08 × 13,436.12
  4. Step 4: Simplify right side
    38,396.68x = 773,935,023.01
  5. Step 5: Solve for x
    x = 773,935,023.01/38,396.68
  6. Step 6: Final answer
    x = 20,156.30

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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.