Home / 22,895.20-31,580.80-14,839.36

Finding the Fourth Proportional to 22,895.20, 31,580.80 and 14,839.36

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Solution

The fourth proportional to 22,895.20, 31,580.80 and 14,839.36 is: 20,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,895.20 : 31,580.80 = 14,839.36 : x
  2. Step 2: Convert to fraction form
    22,895.20/31,580.80 = 14,839.36/x
  3. Step 3: Cross multiply
    22,895.20x = 31,580.80 × 14,839.36
  4. Step 4: Simplify right side
    22,895.20x = 468,638,860.29
  5. Step 5: Solve for x
    x = 468,638,860.29/22,895.20
  6. Step 6: Final answer
    x = 20,468.87

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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.