Home / 22,860.78-31,546.88-14,371.62

Finding the Fourth Proportional to 22,860.78, 31,546.88 and 14,371.62

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Solution

The fourth proportional to 22,860.78, 31,546.88 and 14,371.62 is: 19,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.78 : 31,546.88 = 14,371.62 : x
  2. Step 2: Convert to fraction form
    22,860.78/31,546.88 = 14,371.62/x
  3. Step 3: Cross multiply
    22,860.78x = 31,546.88 × 14,371.62
  4. Step 4: Simplify right side
    22,860.78x = 453,379,771.55
  5. Step 5: Solve for x
    x = 453,379,771.55/22,860.78
  6. Step 6: Final answer
    x = 19,832.21

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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.