Home / 25,602.17-38,403.24-12,443.21

Finding the Fourth Proportional to 25,602.17, 38,403.24 and 12,443.21

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Solution

The fourth proportional to 25,602.17, 38,403.24 and 12,443.21 is: 18,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.17 : 38,403.24 = 12,443.21 : x
  2. Step 2: Convert to fraction form
    25,602.17/38,403.24 = 12,443.21/x
  3. Step 3: Cross multiply
    25,602.17x = 38,403.24 × 12,443.21
  4. Step 4: Simplify right side
    25,602.17x = 477,859,387.98
  5. Step 5: Solve for x
    x = 477,859,387.98/25,602.17
  6. Step 6: Final answer
    x = 18,664.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.