Home / 18,281.04-25,238.71-11,572.42

Finding the Fourth Proportional to 18,281.04, 25,238.71 and 11,572.42

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Solution

The fourth proportional to 18,281.04, 25,238.71 and 11,572.42 is: 15,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.04 : 25,238.71 = 11,572.42 : x
  2. Step 2: Convert to fraction form
    18,281.04/25,238.71 = 11,572.42/x
  3. Step 3: Cross multiply
    18,281.04x = 25,238.71 × 11,572.42
  4. Step 4: Simplify right side
    18,281.04x = 292,072,983.62
  5. Step 5: Solve for x
    x = 292,072,983.62/18,281.04
  6. Step 6: Final answer
    x = 15,976.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.