Home / 22,974.08-31,706.33-13,418.60

Finding the Fourth Proportional to 22,974.08, 31,706.33 and 13,418.60

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Solution

The fourth proportional to 22,974.08, 31,706.33 and 13,418.60 is: 18,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,974.08 : 31,706.33 = 13,418.60 : x
  2. Step 2: Convert to fraction form
    22,974.08/31,706.33 = 13,418.60/x
  3. Step 3: Cross multiply
    22,974.08x = 31,706.33 × 13,418.60
  4. Step 4: Simplify right side
    22,974.08x = 425,454,334.11
  5. Step 5: Solve for x
    x = 425,454,334.11/22,974.08
  6. Step 6: Final answer
    x = 18,518.89

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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.