Home / 27,693.26-38,216.49-15,118.01

Finding the Fourth Proportional to 27,693.26, 38,216.49 and 15,118.01

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Solution

The fourth proportional to 27,693.26, 38,216.49 and 15,118.01 is: 20,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.26 : 38,216.49 = 15,118.01 : x
  2. Step 2: Convert to fraction form
    27,693.26/38,216.49 = 15,118.01/x
  3. Step 3: Cross multiply
    27,693.26x = 38,216.49 × 15,118.01
  4. Step 4: Simplify right side
    27,693.26x = 577,757,086.90
  5. Step 5: Solve for x
    x = 577,757,086.90/27,693.26
  6. Step 6: Final answer
    x = 20,862.74

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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.