Home / 25,561.52-38,351.80-11,517.34

Finding the Fourth Proportional to 25,561.52, 38,351.80 and 11,517.34

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Solution

The fourth proportional to 25,561.52, 38,351.80 and 11,517.34 is: 17,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.52 : 38,351.80 = 11,517.34 : x
  2. Step 2: Convert to fraction form
    25,561.52/38,351.80 = 11,517.34/x
  3. Step 3: Cross multiply
    25,561.52x = 38,351.80 × 11,517.34
  4. Step 4: Simplify right side
    25,561.52x = 441,710,720.21
  5. Step 5: Solve for x
    x = 441,710,720.21/25,561.52
  6. Step 6: Final answer
    x = 17,280.30

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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.