Home / 22,047.87-30,424.48-12,488.73

Finding the Fourth Proportional to 22,047.87, 30,424.48 and 12,488.73

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Solution

The fourth proportional to 22,047.87, 30,424.48 and 12,488.73 is: 17,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.87 : 30,424.48 = 12,488.73 : x
  2. Step 2: Convert to fraction form
    22,047.87/30,424.48 = 12,488.73/x
  3. Step 3: Cross multiply
    22,047.87x = 30,424.48 × 12,488.73
  4. Step 4: Simplify right side
    22,047.87x = 379,963,116.11
  5. Step 5: Solve for x
    x = 379,963,116.11/22,047.87
  6. Step 6: Final answer
    x = 17,233.55

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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.