Home / 22,191.65-30,623.27-12,996.02

Finding the Fourth Proportional to 22,191.65, 30,623.27 and 12,996.02

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Solution

The fourth proportional to 22,191.65, 30,623.27 and 12,996.02 is: 17,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.65 : 30,623.27 = 12,996.02 : x
  2. Step 2: Convert to fraction form
    22,191.65/30,623.27 = 12,996.02/x
  3. Step 3: Cross multiply
    22,191.65x = 30,623.27 × 12,996.02
  4. Step 4: Simplify right side
    22,191.65x = 397,980,508.76
  5. Step 5: Solve for x
    x = 397,980,508.76/22,191.65
  6. Step 6: Final answer
    x = 17,933.79

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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.