Home / 19,264.10-28,874.55-8,168.90

Finding the Fourth Proportional to 19,264.10, 28,874.55 and 8,168.90

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Solution

The fourth proportional to 19,264.10, 28,874.55 and 8,168.90 is: 12,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.10 : 28,874.55 = 8,168.90 : x
  2. Step 2: Convert to fraction form
    19,264.10/28,874.55 = 8,168.90/x
  3. Step 3: Cross multiply
    19,264.10x = 28,874.55 × 8,168.90
  4. Step 4: Simplify right side
    19,264.10x = 235,873,311.50
  5. Step 5: Solve for x
    x = 235,873,311.50/19,264.10
  6. Step 6: Final answer
    x = 12,244.19

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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.