Home / 15,865.67-23,799.70-5,335.72

Finding the Fourth Proportional to 15,865.67, 23,799.70 and 5,335.72

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Solution

The fourth proportional to 15,865.67, 23,799.70 and 5,335.72 is: 8,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.67 : 23,799.70 = 5,335.72 : x
  2. Step 2: Convert to fraction form
    15,865.67/23,799.70 = 5,335.72/x
  3. Step 3: Cross multiply
    15,865.67x = 23,799.70 × 5,335.72
  4. Step 4: Simplify right side
    15,865.67x = 126,988,452.44
  5. Step 5: Solve for x
    x = 126,988,452.44/15,865.67
  6. Step 6: Final answer
    x = 8,003.98

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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.