Home / 27,679.10-38,202.38-17,335.64

Finding the Fourth Proportional to 27,679.10, 38,202.38 and 17,335.64

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Solution

The fourth proportional to 27,679.10, 38,202.38 and 17,335.64 is: 23,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.10 : 38,202.38 = 17,335.64 : x
  2. Step 2: Convert to fraction form
    27,679.10/38,202.38 = 17,335.64/x
  3. Step 3: Cross multiply
    27,679.10x = 38,202.38 × 17,335.64
  4. Step 4: Simplify right side
    27,679.10x = 662,262,429.13
  5. Step 5: Solve for x
    x = 662,262,429.13/27,679.10
  6. Step 6: Final answer
    x = 23,926.45

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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.