Home / 19,614.52-27,049.59-15,131.18

Finding the Fourth Proportional to 19,614.52, 27,049.59 and 15,131.18

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Solution

The fourth proportional to 19,614.52, 27,049.59 and 15,131.18 is: 20,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.52 : 27,049.59 = 15,131.18 : x
  2. Step 2: Convert to fraction form
    19,614.52/27,049.59 = 15,131.18/x
  3. Step 3: Cross multiply
    19,614.52x = 27,049.59 × 15,131.18
  4. Step 4: Simplify right side
    19,614.52x = 409,292,215.22
  5. Step 5: Solve for x
    x = 409,292,215.22/19,614.52
  6. Step 6: Final answer
    x = 20,866.80

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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.