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Finding the Fourth Proportional to 22,420.20, 30,951.04 and 17,373

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Solution

The fourth proportional to 22,420.20, 30,951.04 and 17,373 is: 23,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.20 : 30,951.04 = 17,373 : x
  2. Step 2: Convert to fraction form
    22,420.20/30,951.04 = 17,373/x
  3. Step 3: Cross multiply
    22,420.20x = 30,951.04 × 17,373
  4. Step 4: Simplify right side
    22,420.20x = 537,712,417.92
  5. Step 5: Solve for x
    x = 537,712,417.92/22,420.20
  6. Step 6: Final answer
    x = 23,983.39

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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.