Home / 14,749.68-20,354.40-8,463.04

Finding the Fourth Proportional to 14,749.68, 20,354.40 and 8,463.04

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Solution

The fourth proportional to 14,749.68, 20,354.40 and 8,463.04 is: 11,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.68 : 20,354.40 = 8,463.04 : x
  2. Step 2: Convert to fraction form
    14,749.68/20,354.40 = 8,463.04/x
  3. Step 3: Cross multiply
    14,749.68x = 20,354.40 × 8,463.04
  4. Step 4: Simplify right side
    14,749.68x = 172,260,101.38
  5. Step 5: Solve for x
    x = 172,260,101.38/14,749.68
  6. Step 6: Final answer
    x = 11,678.90

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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.