Home / 25,605.54-38,432.10-13,134.48

Finding the Fourth Proportional to 25,605.54, 38,432.10 and 13,134.48

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Solution

The fourth proportional to 25,605.54, 38,432.10 and 13,134.48 is: 19,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.54 : 38,432.10 = 13,134.48 : x
  2. Step 2: Convert to fraction form
    25,605.54/38,432.10 = 13,134.48/x
  3. Step 3: Cross multiply
    25,605.54x = 38,432.10 × 13,134.48
  4. Step 4: Simplify right side
    25,605.54x = 504,785,648.81
  5. Step 5: Solve for x
    x = 504,785,648.81/25,605.54
  6. Step 6: Final answer
    x = 19,713.92

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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.