Home / 27,711.64-38,246.26-15,613.25

Finding the Fourth Proportional to 27,711.64, 38,246.26 and 15,613.25

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Solution

The fourth proportional to 27,711.64, 38,246.26 and 15,613.25 is: 21,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.64 : 38,246.26 = 15,613.25 : x
  2. Step 2: Convert to fraction form
    27,711.64/38,246.26 = 15,613.25/x
  3. Step 3: Cross multiply
    27,711.64x = 38,246.26 × 15,613.25
  4. Step 4: Simplify right side
    27,711.64x = 597,148,418.95
  5. Step 5: Solve for x
    x = 597,148,418.95/27,711.64
  6. Step 6: Final answer
    x = 21,548.65

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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.