Home / 18,380.52-25,365.96-14,136.12

Finding the Fourth Proportional to 18,380.52, 25,365.96 and 14,136.12

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Solution

The fourth proportional to 18,380.52, 25,365.96 and 14,136.12 is: 19,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.52 : 25,365.96 = 14,136.12 : x
  2. Step 2: Convert to fraction form
    18,380.52/25,365.96 = 14,136.12/x
  3. Step 3: Cross multiply
    18,380.52x = 25,365.96 × 14,136.12
  4. Step 4: Simplify right side
    18,380.52x = 358,576,254.48
  5. Step 5: Solve for x
    x = 358,576,254.48/18,380.52
  6. Step 6: Final answer
    x = 19,508.49

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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.