Home / 16,591.77-22,919.86-11,553.47

Finding the Fourth Proportional to 16,591.77, 22,919.86 and 11,553.47

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Solution

The fourth proportional to 16,591.77, 22,919.86 and 11,553.47 is: 15,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,591.77 : 22,919.86 = 11,553.47 : x
  2. Step 2: Convert to fraction form
    16,591.77/22,919.86 = 11,553.47/x
  3. Step 3: Cross multiply
    16,591.77x = 22,919.86 × 11,553.47
  4. Step 4: Simplify right side
    16,591.77x = 264,803,900.71
  5. Step 5: Solve for x
    x = 264,803,900.71/16,591.77
  6. Step 6: Final answer
    x = 15,959.95

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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.