Home / 18,587.80-25,652.68-10,631.56

Finding the Fourth Proportional to 18,587.80, 25,652.68 and 10,631.56

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Solution

The fourth proportional to 18,587.80, 25,652.68 and 10,631.56 is: 14,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.80 : 25,652.68 = 10,631.56 : x
  2. Step 2: Convert to fraction form
    18,587.80/25,652.68 = 10,631.56/x
  3. Step 3: Cross multiply
    18,587.80x = 25,652.68 × 10,631.56
  4. Step 4: Simplify right side
    18,587.80x = 272,728,006.58
  5. Step 5: Solve for x
    x = 272,728,006.58/18,587.80
  6. Step 6: Final answer
    x = 14,672.42

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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.