Home / 14,750.25-20,355.53-8,463.21

Finding the Fourth Proportional to 14,750.25, 20,355.53 and 8,463.21

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Solution

The fourth proportional to 14,750.25, 20,355.53 and 8,463.21 is: 11,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.25 : 20,355.53 = 8,463.21 : x
  2. Step 2: Convert to fraction form
    14,750.25/20,355.53 = 8,463.21/x
  3. Step 3: Cross multiply
    14,750.25x = 20,355.53 × 8,463.21
  4. Step 4: Simplify right side
    14,750.25x = 172,273,082.74
  5. Step 5: Solve for x
    x = 172,273,082.74/14,750.25
  6. Step 6: Final answer
    x = 11,679.33

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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.