Home / 16,511.09-22,785.30-9,437.66

Finding the Fourth Proportional to 16,511.09, 22,785.30 and 9,437.66

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Solution

The fourth proportional to 16,511.09, 22,785.30 and 9,437.66 is: 13,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.09 : 22,785.30 = 9,437.66 : x
  2. Step 2: Convert to fraction form
    16,511.09/22,785.30 = 9,437.66/x
  3. Step 3: Cross multiply
    16,511.09x = 22,785.30 × 9,437.66
  4. Step 4: Simplify right side
    16,511.09x = 215,039,885.92
  5. Step 5: Solve for x
    x = 215,039,885.92/16,511.09
  6. Step 6: Final answer
    x = 13,023.97

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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.