Home / 16,108.68-22,230.04-8,938.74

Finding the Fourth Proportional to 16,108.68, 22,230.04 and 8,938.74

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Solution

The fourth proportional to 16,108.68, 22,230.04 and 8,938.74 is: 12,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.68 : 22,230.04 = 8,938.74 : x
  2. Step 2: Convert to fraction form
    16,108.68/22,230.04 = 8,938.74/x
  3. Step 3: Cross multiply
    16,108.68x = 22,230.04 × 8,938.74
  4. Step 4: Simplify right side
    16,108.68x = 198,708,547.75
  5. Step 5: Solve for x
    x = 198,708,547.75/16,108.68
  6. Step 6: Final answer
    x = 12,335.50

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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.