Home / 25,342.56-38,000.87-13,502.99

Finding the Fourth Proportional to 25,342.56, 38,000.87 and 13,502.99

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Solution

The fourth proportional to 25,342.56, 38,000.87 and 13,502.99 is: 20,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.56 : 38,000.87 = 13,502.99 : x
  2. Step 2: Convert to fraction form
    25,342.56/38,000.87 = 13,502.99/x
  3. Step 3: Cross multiply
    25,342.56x = 38,000.87 × 13,502.99
  4. Step 4: Simplify right side
    25,342.56x = 513,125,110.08
  5. Step 5: Solve for x
    x = 513,125,110.08/25,342.56
  6. Step 6: Final answer
    x = 20,247.56

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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.