Home / 39,816.56-59,687.68-13,502.88

Finding the Fourth Proportional to 39,816.56, 59,687.68 and 13,502.88

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Solution

The fourth proportional to 39,816.56, 59,687.68 and 13,502.88 is: 20,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.56 : 59,687.68 = 13,502.88 : x
  2. Step 2: Convert to fraction form
    39,816.56/59,687.68 = 13,502.88/x
  3. Step 3: Cross multiply
    39,816.56x = 59,687.68 × 13,502.88
  4. Step 4: Simplify right side
    39,816.56x = 805,955,580.52
  5. Step 5: Solve for x
    x = 805,955,580.52/39,816.56
  6. Step 6: Final answer
    x = 20,241.72

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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.