Home / 14,854.92-20,499.48-8,140.53

Finding the Fourth Proportional to 14,854.92, 20,499.48 and 8,140.53

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Solution

The fourth proportional to 14,854.92, 20,499.48 and 8,140.53 is: 11,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.92 : 20,499.48 = 8,140.53 : x
  2. Step 2: Convert to fraction form
    14,854.92/20,499.48 = 8,140.53/x
  3. Step 3: Cross multiply
    14,854.92x = 20,499.48 × 8,140.53
  4. Step 4: Simplify right side
    14,854.92x = 166,876,631.92
  5. Step 5: Solve for x
    x = 166,876,631.92/14,854.92
  6. Step 6: Final answer
    x = 11,233.76

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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.