Home / 22,792.20-31,440.60-13,358.94

Finding the Fourth Proportional to 22,792.20, 31,440.60 and 13,358.94

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Solution

The fourth proportional to 22,792.20, 31,440.60 and 13,358.94 is: 18,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.20 : 31,440.60 = 13,358.94 : x
  2. Step 2: Convert to fraction form
    22,792.20/31,440.60 = 13,358.94/x
  3. Step 3: Cross multiply
    22,792.20x = 31,440.60 × 13,358.94
  4. Step 4: Simplify right side
    22,792.20x = 420,013,088.96
  5. Step 5: Solve for x
    x = 420,013,088.96/22,792.20
  6. Step 6: Final answer
    x = 18,427.93

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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.