Home / 18,486.18-25,532.19-13,472.82

Finding the Fourth Proportional to 18,486.18, 25,532.19 and 13,472.82

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Solution

The fourth proportional to 18,486.18, 25,532.19 and 13,472.82 is: 18,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.18 : 25,532.19 = 13,472.82 : x
  2. Step 2: Convert to fraction form
    18,486.18/25,532.19 = 13,472.82/x
  3. Step 3: Cross multiply
    18,486.18x = 25,532.19 × 13,472.82
  4. Step 4: Simplify right side
    18,486.18x = 343,990,600.08
  5. Step 5: Solve for x
    x = 343,990,600.08/18,486.18
  6. Step 6: Final answer
    x = 18,607.99

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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.