Home / 14,888.22-20,545.79-8,174.53

Finding the Fourth Proportional to 14,888.22, 20,545.79 and 8,174.53

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Solution

The fourth proportional to 14,888.22, 20,545.79 and 8,174.53 is: 11,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.22 : 20,545.79 = 8,174.53 : x
  2. Step 2: Convert to fraction form
    14,888.22/20,545.79 = 8,174.53/x
  3. Step 3: Cross multiply
    14,888.22x = 20,545.79 × 8,174.53
  4. Step 4: Simplify right side
    14,888.22x = 167,952,176.73
  5. Step 5: Solve for x
    x = 167,952,176.73/14,888.22
  6. Step 6: Final answer
    x = 11,280.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.