Home / 14,115.85-19,493.79-11,126.95

Finding the Fourth Proportional to 14,115.85, 19,493.79 and 11,126.95

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Solution

The fourth proportional to 14,115.85, 19,493.79 and 11,126.95 is: 15,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.85 : 19,493.79 = 11,126.95 : x
  2. Step 2: Convert to fraction form
    14,115.85/19,493.79 = 11,126.95/x
  3. Step 3: Cross multiply
    14,115.85x = 19,493.79 × 11,126.95
  4. Step 4: Simplify right side
    14,115.85x = 216,906,426.64
  5. Step 5: Solve for x
    x = 216,906,426.64/14,115.85
  6. Step 6: Final answer
    x = 15,366.16

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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.