Home / 18,281.08-25,236.66-11,569.96

Finding the Fourth Proportional to 18,281.08, 25,236.66 and 11,569.96

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Solution

The fourth proportional to 18,281.08, 25,236.66 and 11,569.96 is: 15,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.08 : 25,236.66 = 11,569.96 : x
  2. Step 2: Convert to fraction form
    18,281.08/25,236.66 = 11,569.96/x
  3. Step 3: Cross multiply
    18,281.08x = 25,236.66 × 11,569.96
  4. Step 4: Simplify right side
    18,281.08x = 291,987,146.73
  5. Step 5: Solve for x
    x = 291,987,146.73/18,281.08
  6. Step 6: Final answer
    x = 15,972.10

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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.