Home / 22,805.05-31,476.22-13,376.65

Finding the Fourth Proportional to 22,805.05, 31,476.22 and 13,376.65

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Solution

The fourth proportional to 22,805.05, 31,476.22 and 13,376.65 is: 18,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.05 : 31,476.22 = 13,376.65 : x
  2. Step 2: Convert to fraction form
    22,805.05/31,476.22 = 13,376.65/x
  3. Step 3: Cross multiply
    22,805.05x = 31,476.22 × 13,376.65
  4. Step 4: Simplify right side
    22,805.05x = 421,046,378.26
  5. Step 5: Solve for x
    x = 421,046,378.26/22,805.05
  6. Step 6: Final answer
    x = 18,462.86

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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.