Home / 16,108.86-22,234.06-9,397.81

Finding the Fourth Proportional to 16,108.86, 22,234.06 and 9,397.81

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Solution

The fourth proportional to 16,108.86, 22,234.06 and 9,397.81 is: 12,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.86 : 22,234.06 = 9,397.81 : x
  2. Step 2: Convert to fraction form
    16,108.86/22,234.06 = 9,397.81/x
  3. Step 3: Cross multiply
    16,108.86x = 22,234.06 × 9,397.81
  4. Step 4: Simplify right side
    16,108.86x = 208,951,471.41
  5. Step 5: Solve for x
    x = 208,951,471.41/16,108.86
  6. Step 6: Final answer
    x = 12,971.21

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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.