Home / 14,091.49-19,449.75-8,126.74

Finding the Fourth Proportional to 14,091.49, 19,449.75 and 8,126.74

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Solution

The fourth proportional to 14,091.49, 19,449.75 and 8,126.74 is: 11,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.49 : 19,449.75 = 8,126.74 : x
  2. Step 2: Convert to fraction form
    14,091.49/19,449.75 = 8,126.74/x
  3. Step 3: Cross multiply
    14,091.49x = 19,449.75 × 8,126.74
  4. Step 4: Simplify right side
    14,091.49x = 158,063,061.32
  5. Step 5: Solve for x
    x = 158,063,061.32/14,091.49
  6. Step 6: Final answer
    x = 11,216.92

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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.