Home / 18,280.74-25,236.19-11,569.62

Finding the Fourth Proportional to 18,280.74, 25,236.19 and 11,569.62

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Solution

The fourth proportional to 18,280.74, 25,236.19 and 11,569.62 is: 15,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.74 : 25,236.19 = 11,569.62 : x
  2. Step 2: Convert to fraction form
    18,280.74/25,236.19 = 11,569.62/x
  3. Step 3: Cross multiply
    18,280.74x = 25,236.19 × 11,569.62
  4. Step 4: Simplify right side
    18,280.74x = 291,972,983.30
  5. Step 5: Solve for x
    x = 291,972,983.30/18,280.74
  6. Step 6: Final answer
    x = 15,971.62

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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.