Home / 22,799.43-31,450.06-13,718.50

Finding the Fourth Proportional to 22,799.43, 31,450.06 and 13,718.50

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Solution

The fourth proportional to 22,799.43, 31,450.06 and 13,718.50 is: 18,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,799.43 : 31,450.06 = 13,718.50 : x
  2. Step 2: Convert to fraction form
    22,799.43/31,450.06 = 13,718.50/x
  3. Step 3: Cross multiply
    22,799.43x = 31,450.06 × 13,718.50
  4. Step 4: Simplify right side
    22,799.43x = 431,447,648.11
  5. Step 5: Solve for x
    x = 431,447,648.11/22,799.43
  6. Step 6: Final answer
    x = 18,923.62

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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.