Home / 15,862.40-23,793.60-4,770.80

Finding the Fourth Proportional to 15,862.40, 23,793.60 and 4,770.80

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Solution

The fourth proportional to 15,862.40, 23,793.60 and 4,770.80 is: 7,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.40 : 23,793.60 = 4,770.80 : x
  2. Step 2: Convert to fraction form
    15,862.40/23,793.60 = 4,770.80/x
  3. Step 3: Cross multiply
    15,862.40x = 23,793.60 × 4,770.80
  4. Step 4: Simplify right side
    15,862.40x = 113,514,506.88
  5. Step 5: Solve for x
    x = 113,514,506.88/15,862.40
  6. Step 6: Final answer
    x = 7,156.20

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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.