Home / 14,867.19-20,517.32-8,153.06

Finding the Fourth Proportional to 14,867.19, 20,517.32 and 8,153.06

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Solution

The fourth proportional to 14,867.19, 20,517.32 and 8,153.06 is: 11,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867.19 : 20,517.32 = 8,153.06 : x
  2. Step 2: Convert to fraction form
    14,867.19/20,517.32 = 8,153.06/x
  3. Step 3: Cross multiply
    14,867.19x = 20,517.32 × 8,153.06
  4. Step 4: Simplify right side
    14,867.19x = 167,278,943.63
  5. Step 5: Solve for x
    x = 167,278,943.63/14,867.19
  6. Step 6: Final answer
    x = 11,251.55

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1.5x scale

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.