Home / 22,292.79-30,753.45-13,338.48

Finding the Fourth Proportional to 22,292.79, 30,753.45 and 13,338.48

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Solution

The fourth proportional to 22,292.79, 30,753.45 and 13,338.48 is: 18,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.79 : 30,753.45 = 13,338.48 : x
  2. Step 2: Convert to fraction form
    22,292.79/30,753.45 = 13,338.48/x
  3. Step 3: Cross multiply
    22,292.79x = 30,753.45 × 13,338.48
  4. Step 4: Simplify right side
    22,292.79x = 410,204,277.76
  5. Step 5: Solve for x
    x = 410,204,277.76/22,292.79
  6. Step 6: Final answer
    x = 18,400.76

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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.