Home / 16,071.91-22,179.09-8,998.45

Finding the Fourth Proportional to 16,071.91, 22,179.09 and 8,998.45

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Solution

The fourth proportional to 16,071.91, 22,179.09 and 8,998.45 is: 12,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.91 : 22,179.09 = 8,998.45 : x
  2. Step 2: Convert to fraction form
    16,071.91/22,179.09 = 8,998.45/x
  3. Step 3: Cross multiply
    16,071.91x = 22,179.09 × 8,998.45
  4. Step 4: Simplify right side
    16,071.91x = 199,577,432.41
  5. Step 5: Solve for x
    x = 199,577,432.41/16,071.91
  6. Step 6: Final answer
    x = 12,417.78

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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.