Home / 22,897.15-31,616.33-15,247.89

Finding the Fourth Proportional to 22,897.15, 31,616.33 and 15,247.89

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Solution

The fourth proportional to 22,897.15, 31,616.33 and 15,247.89 is: 21,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,897.15 : 31,616.33 = 15,247.89 : x
  2. Step 2: Convert to fraction form
    22,897.15/31,616.33 = 15,247.89/x
  3. Step 3: Cross multiply
    22,897.15x = 31,616.33 × 15,247.89
  4. Step 4: Simplify right side
    22,897.15x = 482,082,245.80
  5. Step 5: Solve for x
    x = 482,082,245.80/22,897.15
  6. Step 6: Final answer
    x = 21,054.25

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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.