Home / 14,849.40-20,489.56-8,473.08

Finding the Fourth Proportional to 14,849.40, 20,489.56 and 8,473.08

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Solution

The fourth proportional to 14,849.40, 20,489.56 and 8,473.08 is: 11,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.40 : 20,489.56 = 8,473.08 : x
  2. Step 2: Convert to fraction form
    14,849.40/20,489.56 = 8,473.08/x
  3. Step 3: Cross multiply
    14,849.40x = 20,489.56 × 8,473.08
  4. Step 4: Simplify right side
    14,849.40x = 173,609,681.04
  5. Step 5: Solve for x
    x = 173,609,681.04/14,849.40
  6. Step 6: Final answer
    x = 11,691.36

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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.