Home / 15,174.83-22,772.88-6,290.30

Finding the Fourth Proportional to 15,174.83, 22,772.88 and 6,290.30

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Solution

The fourth proportional to 15,174.83, 22,772.88 and 6,290.30 is: 9,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.83 : 22,772.88 = 6,290.30 : x
  2. Step 2: Convert to fraction form
    15,174.83/22,772.88 = 6,290.30/x
  3. Step 3: Cross multiply
    15,174.83x = 22,772.88 × 6,290.30
  4. Step 4: Simplify right side
    15,174.83x = 143,248,133.20
  5. Step 5: Solve for x
    x = 143,248,133.20/15,174.83
  6. Step 6: Final answer
    x = 9,439.85

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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.