Home / 15,115.02-22,672.80-6,349.20

Finding the Fourth Proportional to 15,115.02, 22,672.80 and 6,349.20

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Solution

The fourth proportional to 15,115.02, 22,672.80 and 6,349.20 is: 9,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.02 : 22,672.80 = 6,349.20 : x
  2. Step 2: Convert to fraction form
    15,115.02/22,672.80 = 6,349.20/x
  3. Step 3: Cross multiply
    15,115.02x = 22,672.80 × 6,349.20
  4. Step 4: Simplify right side
    15,115.02x = 143,954,141.76
  5. Step 5: Solve for x
    x = 143,954,141.76/15,115.02
  6. Step 6: Final answer
    x = 9,523.91

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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.