Home / 14,398.46-21,560.32-12,331.74

Finding the Fourth Proportional to 14,398.46, 21,560.32 and 12,331.74

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Solution

The fourth proportional to 14,398.46, 21,560.32 and 12,331.74 is: 18,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.46 : 21,560.32 = 12,331.74 : x
  2. Step 2: Convert to fraction form
    14,398.46/21,560.32 = 12,331.74/x
  3. Step 3: Cross multiply
    14,398.46x = 21,560.32 × 12,331.74
  4. Step 4: Simplify right side
    14,398.46x = 265,876,198.90
  5. Step 5: Solve for x
    x = 265,876,198.90/14,398.46
  6. Step 6: Final answer
    x = 18,465.61

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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.