Home / 27,654.54-38,162.22-15,079.02

Finding the Fourth Proportional to 27,654.54, 38,162.22 and 15,079.02

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Solution

The fourth proportional to 27,654.54, 38,162.22 and 15,079.02 is: 20,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.54 : 38,162.22 = 15,079.02 : x
  2. Step 2: Convert to fraction form
    27,654.54/38,162.22 = 15,079.02/x
  3. Step 3: Cross multiply
    27,654.54x = 38,162.22 × 15,079.02
  4. Step 4: Simplify right side
    27,654.54x = 575,448,878.62
  5. Step 5: Solve for x
    x = 575,448,878.62/27,654.54
  6. Step 6: Final answer
    x = 20,808.48

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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.