Home / 15,336.20-22,998.90-5,475.80

Finding the Fourth Proportional to 15,336.20, 22,998.90 and 5,475.80

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Solution

The fourth proportional to 15,336.20, 22,998.90 and 5,475.80 is: 8,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.20 : 22,998.90 = 5,475.80 : x
  2. Step 2: Convert to fraction form
    15,336.20/22,998.90 = 5,475.80/x
  3. Step 3: Cross multiply
    15,336.20x = 22,998.90 × 5,475.80
  4. Step 4: Simplify right side
    15,336.20x = 125,937,376.62
  5. Step 5: Solve for x
    x = 125,937,376.62/15,336.20
  6. Step 6: Final answer
    x = 8,211.77

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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.