Home / 15,770.98-23,655.55-5,909.44

Finding the Fourth Proportional to 15,770.98, 23,655.55 and 5,909.44

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Solution

The fourth proportional to 15,770.98, 23,655.55 and 5,909.44 is: 8,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.98 : 23,655.55 = 5,909.44 : x
  2. Step 2: Convert to fraction form
    15,770.98/23,655.55 = 5,909.44/x
  3. Step 3: Cross multiply
    15,770.98x = 23,655.55 × 5,909.44
  4. Step 4: Simplify right side
    15,770.98x = 139,790,949.91
  5. Step 5: Solve for x
    x = 139,790,949.91/15,770.98
  6. Step 6: Final answer
    x = 8,863.81

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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.