Home / 19,987.28-27,582.44-11,034.80

Finding the Fourth Proportional to 19,987.28, 27,582.44 and 11,034.80

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Solution

The fourth proportional to 19,987.28, 27,582.44 and 11,034.80 is: 15,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.28 : 27,582.44 = 11,034.80 : x
  2. Step 2: Convert to fraction form
    19,987.28/27,582.44 = 11,034.80/x
  3. Step 3: Cross multiply
    19,987.28x = 27,582.44 × 11,034.80
  4. Step 4: Simplify right side
    19,987.28x = 304,366,708.91
  5. Step 5: Solve for x
    x = 304,366,708.91/19,987.28
  6. Step 6: Final answer
    x = 15,228.02

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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.