Home / 14,445.25-21,651.17-6,112.78

Finding the Fourth Proportional to 14,445.25, 21,651.17 and 6,112.78

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Solution

The fourth proportional to 14,445.25, 21,651.17 and 6,112.78 is: 9,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.25 : 21,651.17 = 6,112.78 : x
  2. Step 2: Convert to fraction form
    14,445.25/21,651.17 = 6,112.78/x
  3. Step 3: Cross multiply
    14,445.25x = 21,651.17 × 6,112.78
  4. Step 4: Simplify right side
    14,445.25x = 132,348,754.26
  5. Step 5: Solve for x
    x = 132,348,754.26/14,445.25
  6. Step 6: Final answer
    x = 9,162.10

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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.