Home / 23,164.11-31,966.11-12,553.65

Finding the Fourth Proportional to 23,164.11, 31,966.11 and 12,553.65

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Solution

The fourth proportional to 23,164.11, 31,966.11 and 12,553.65 is: 17,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.11 : 31,966.11 = 12,553.65 : x
  2. Step 2: Convert to fraction form
    23,164.11/31,966.11 = 12,553.65/x
  3. Step 3: Cross multiply
    23,164.11x = 31,966.11 × 12,553.65
  4. Step 4: Simplify right side
    23,164.11x = 401,291,356.80
  5. Step 5: Solve for x
    x = 401,291,356.80/23,164.11
  6. Step 6: Final answer
    x = 17,323.84

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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.