Home / 15,011.12-22,519.22-5,148.02

Finding the Fourth Proportional to 15,011.12, 22,519.22 and 5,148.02

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Solution

The fourth proportional to 15,011.12, 22,519.22 and 5,148.02 is: 7,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.12 : 22,519.22 = 5,148.02 : x
  2. Step 2: Convert to fraction form
    15,011.12/22,519.22 = 5,148.02/x
  3. Step 3: Cross multiply
    15,011.12x = 22,519.22 × 5,148.02
  4. Step 4: Simplify right side
    15,011.12x = 115,929,425.50
  5. Step 5: Solve for x
    x = 115,929,425.50/15,011.12
  6. Step 6: Final answer
    x = 7,722.90

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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.