Home / 36,654.74-54,987.54-13,275.74

Finding the Fourth Proportional to 36,654.74, 54,987.54 and 13,275.74

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Solution

The fourth proportional to 36,654.74, 54,987.54 and 13,275.74 is: 19,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,654.74 : 54,987.54 = 13,275.74 : x
  2. Step 2: Convert to fraction form
    36,654.74/54,987.54 = 13,275.74/x
  3. Step 3: Cross multiply
    36,654.74x = 54,987.54 × 13,275.74
  4. Step 4: Simplify right side
    36,654.74x = 730,000,284.28
  5. Step 5: Solve for x
    x = 730,000,284.28/36,654.74
  6. Step 6: Final answer
    x = 19,915.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.