Home / 22,159.12-33,209.76-8,996.08

Finding the Fourth Proportional to 22,159.12, 33,209.76 and 8,996.08

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Solution

The fourth proportional to 22,159.12, 33,209.76 and 8,996.08 is: 13,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.12 : 33,209.76 = 8,996.08 : x
  2. Step 2: Convert to fraction form
    22,159.12/33,209.76 = 8,996.08/x
  3. Step 3: Cross multiply
    22,159.12x = 33,209.76 × 8,996.08
  4. Step 4: Simplify right side
    22,159.12x = 298,757,657.74
  5. Step 5: Solve for x
    x = 298,757,657.74/22,159.12
  6. Step 6: Final answer
    x = 13,482.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.