Home / 22,922.96-31,639.68-13,494.56

Finding the Fourth Proportional to 22,922.96, 31,639.68 and 13,494.56

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Solution

The fourth proportional to 22,922.96, 31,639.68 and 13,494.56 is: 18,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,922.96 : 31,639.68 = 13,494.56 : x
  2. Step 2: Convert to fraction form
    22,922.96/31,639.68 = 13,494.56/x
  3. Step 3: Cross multiply
    22,922.96x = 31,639.68 × 13,494.56
  4. Step 4: Simplify right side
    22,922.96x = 426,963,560.14
  5. Step 5: Solve for x
    x = 426,963,560.14/22,922.96
  6. Step 6: Final answer
    x = 18,626.02

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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.