Home / 22,788.66-34,111.80-14,478.06

Finding the Fourth Proportional to 22,788.66, 34,111.80 and 14,478.06

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Solution

The fourth proportional to 22,788.66, 34,111.80 and 14,478.06 is: 21,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.66 : 34,111.80 = 14,478.06 : x
  2. Step 2: Convert to fraction form
    22,788.66/34,111.80 = 14,478.06/x
  3. Step 3: Cross multiply
    22,788.66x = 34,111.80 × 14,478.06
  4. Step 4: Simplify right side
    22,788.66x = 493,872,687.11
  5. Step 5: Solve for x
    x = 493,872,687.11/22,788.66
  6. Step 6: Final answer
    x = 21,671.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.