Home / 14,891.28-20,550.00-8,603.66

Finding the Fourth Proportional to 14,891.28, 20,550.00 and 8,603.66

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Solution

The fourth proportional to 14,891.28, 20,550.00 and 8,603.66 is: 11,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.28 : 20,550.00 = 8,603.66 : x
  2. Step 2: Convert to fraction form
    14,891.28/20,550.00 = 8,603.66/x
  3. Step 3: Cross multiply
    14,891.28x = 20,550.00 × 8,603.66
  4. Step 4: Simplify right side
    14,891.28x = 176,805,169.98
  5. Step 5: Solve for x
    x = 176,805,169.98/14,891.28
  6. Step 6: Final answer
    x = 11,873.07

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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.