Home / 14,515.47-20,032.14-8,144.08

Finding the Fourth Proportional to 14,515.47, 20,032.14 and 8,144.08

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Solution

The fourth proportional to 14,515.47, 20,032.14 and 8,144.08 is: 11,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.47 : 20,032.14 = 8,144.08 : x
  2. Step 2: Convert to fraction form
    14,515.47/20,032.14 = 8,144.08/x
  3. Step 3: Cross multiply
    14,515.47x = 20,032.14 × 8,144.08
  4. Step 4: Simplify right side
    14,515.47x = 163,143,350.73
  5. Step 5: Solve for x
    x = 163,143,350.73/14,515.47
  6. Step 6: Final answer
    x = 11,239.27

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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.