Home / 39,660.12-59,495.67-13,372.38

Finding the Fourth Proportional to 39,660.12, 59,495.67 and 13,372.38

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Solution

The fourth proportional to 39,660.12, 59,495.67 and 13,372.38 is: 20,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.12 : 59,495.67 = 13,372.38 : x
  2. Step 2: Convert to fraction form
    39,660.12/59,495.67 = 13,372.38/x
  3. Step 3: Cross multiply
    39,660.12x = 59,495.67 × 13,372.38
  4. Step 4: Simplify right side
    39,660.12x = 795,598,707.59
  5. Step 5: Solve for x
    x = 795,598,707.59/39,660.12
  6. Step 6: Final answer
    x = 20,060.42

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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.