Home / 22,754.07-31,400.08-13,195.66

Finding the Fourth Proportional to 22,754.07, 31,400.08 and 13,195.66

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Solution

The fourth proportional to 22,754.07, 31,400.08 and 13,195.66 is: 18,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,754.07 : 31,400.08 = 13,195.66 : x
  2. Step 2: Convert to fraction form
    22,754.07/31,400.08 = 13,195.66/x
  3. Step 3: Cross multiply
    22,754.07x = 31,400.08 × 13,195.66
  4. Step 4: Simplify right side
    22,754.07x = 414,344,779.65
  5. Step 5: Solve for x
    x = 414,344,779.65/22,754.07
  6. Step 6: Final answer
    x = 18,209.70

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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.