Home / 15,160.80-22,741.20-4,772.55

Finding the Fourth Proportional to 15,160.80, 22,741.20 and 4,772.55

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Solution

The fourth proportional to 15,160.80, 22,741.20 and 4,772.55 is: 7,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160.80 : 22,741.20 = 4,772.55 : x
  2. Step 2: Convert to fraction form
    15,160.80/22,741.20 = 4,772.55/x
  3. Step 3: Cross multiply
    15,160.80x = 22,741.20 × 4,772.55
  4. Step 4: Simplify right side
    15,160.80x = 108,533,514.06
  5. Step 5: Solve for x
    x = 108,533,514.06/15,160.80
  6. Step 6: Final answer
    x = 7,158.83

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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.