Home / 22,592.73-31,178.76-13,638.48

Finding the Fourth Proportional to 22,592.73, 31,178.76 and 13,638.48

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Solution

The fourth proportional to 22,592.73, 31,178.76 and 13,638.48 is: 18,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,592.73 : 31,178.76 = 13,638.48 : x
  2. Step 2: Convert to fraction form
    22,592.73/31,178.76 = 13,638.48/x
  3. Step 3: Cross multiply
    22,592.73x = 31,178.76 × 13,638.48
  4. Step 4: Simplify right side
    22,592.73x = 425,230,894.68
  5. Step 5: Solve for x
    x = 425,230,894.68/22,592.73
  6. Step 6: Final answer
    x = 18,821.58

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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.