Home / 25,351.20-38,048.40-11,332.80

Finding the Fourth Proportional to 25,351.20, 38,048.40 and 11,332.80

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Solution

The fourth proportional to 25,351.20, 38,048.40 and 11,332.80 is: 17,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.20 : 38,048.40 = 11,332.80 : x
  2. Step 2: Convert to fraction form
    25,351.20/38,048.40 = 11,332.80/x
  3. Step 3: Cross multiply
    25,351.20x = 38,048.40 × 11,332.80
  4. Step 4: Simplify right side
    25,351.20x = 431,194,907.52
  5. Step 5: Solve for x
    x = 431,194,907.52/25,351.20
  6. Step 6: Final answer
    x = 17,008.86

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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.