Home / 18,232.55-25,151.31-12,557.46

Finding the Fourth Proportional to 18,232.55, 25,151.31 and 12,557.46

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Solution

The fourth proportional to 18,232.55, 25,151.31 and 12,557.46 is: 17,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.55 : 25,151.31 = 12,557.46 : x
  2. Step 2: Convert to fraction form
    18,232.55/25,151.31 = 12,557.46/x
  3. Step 3: Cross multiply
    18,232.55x = 25,151.31 × 12,557.46
  4. Step 4: Simplify right side
    18,232.55x = 315,836,569.27
  5. Step 5: Solve for x
    x = 315,836,569.27/18,232.55
  6. Step 6: Final answer
    x = 17,322.68

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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.