Home / 15,181.38-22,778.55-8,597.70

Finding the Fourth Proportional to 15,181.38, 22,778.55 and 8,597.70

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Solution

The fourth proportional to 15,181.38, 22,778.55 and 8,597.70 is: 12,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.38 : 22,778.55 = 8,597.70 : x
  2. Step 2: Convert to fraction form
    15,181.38/22,778.55 = 8,597.70/x
  3. Step 3: Cross multiply
    15,181.38x = 22,778.55 × 8,597.70
  4. Step 4: Simplify right side
    15,181.38x = 195,843,139.34
  5. Step 5: Solve for x
    x = 195,843,139.34/15,181.38
  6. Step 6: Final answer
    x = 12,900.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.