Home / 23,171.12-34,756.68-8,376.58

Finding the Fourth Proportional to 23,171.12, 34,756.68 and 8,376.58

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Solution

The fourth proportional to 23,171.12, 34,756.68 and 8,376.58 is: 12,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.12 : 34,756.68 = 8,376.58 : x
  2. Step 2: Convert to fraction form
    23,171.12/34,756.68 = 8,376.58/x
  3. Step 3: Cross multiply
    23,171.12x = 34,756.68 × 8,376.58
  4. Step 4: Simplify right side
    23,171.12x = 291,142,110.55
  5. Step 5: Solve for x
    x = 291,142,110.55/23,171.12
  6. Step 6: Final answer
    x = 12,564.87

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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.