Home / 27,391.12-37,799.82-14,815.84

Finding the Fourth Proportional to 27,391.12, 37,799.82 and 14,815.84

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Solution

The fourth proportional to 27,391.12, 37,799.82 and 14,815.84 is: 20,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.12 : 37,799.82 = 14,815.84 : x
  2. Step 2: Convert to fraction form
    27,391.12/37,799.82 = 14,815.84/x
  3. Step 3: Cross multiply
    27,391.12x = 37,799.82 × 14,815.84
  4. Step 4: Simplify right side
    27,391.12x = 560,036,085.15
  5. Step 5: Solve for x
    x = 560,036,085.15/27,391.12
  6. Step 6: Final answer
    x = 20,445.90

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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.