Home / 22,447.66-30,977.99-12,376.46

Finding the Fourth Proportional to 22,447.66, 30,977.99 and 12,376.46

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Solution

The fourth proportional to 22,447.66, 30,977.99 and 12,376.46 is: 17,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.66 : 30,977.99 = 12,376.46 : x
  2. Step 2: Convert to fraction form
    22,447.66/30,977.99 = 12,376.46/x
  3. Step 3: Cross multiply
    22,447.66x = 30,977.99 × 12,376.46
  4. Step 4: Simplify right side
    22,447.66x = 383,397,854.12
  5. Step 5: Solve for x
    x = 383,397,854.12/22,447.66
  6. Step 6: Final answer
    x = 17,079.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.