Home / 39,760.31-59,603.34-13,446.65

Finding the Fourth Proportional to 39,760.31, 59,603.34 and 13,446.65

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Solution

The fourth proportional to 39,760.31, 59,603.34 and 13,446.65 is: 20,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.31 : 59,603.34 = 13,446.65 : x
  2. Step 2: Convert to fraction form
    39,760.31/59,603.34 = 13,446.65/x
  3. Step 3: Cross multiply
    39,760.31x = 59,603.34 × 13,446.65
  4. Step 4: Simplify right side
    39,760.31x = 801,465,251.81
  5. Step 5: Solve for x
    x = 801,465,251.81/39,760.31
  6. Step 6: Final answer
    x = 20,157.42

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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.