Home / 14,555.34-21,837.87-5,787.90

Finding the Fourth Proportional to 14,555.34, 21,837.87 and 5,787.90

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Solution

The fourth proportional to 14,555.34, 21,837.87 and 5,787.90 is: 8,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.34 : 21,837.87 = 5,787.90 : x
  2. Step 2: Convert to fraction form
    14,555.34/21,837.87 = 5,787.90/x
  3. Step 3: Cross multiply
    14,555.34x = 21,837.87 × 5,787.90
  4. Step 4: Simplify right side
    14,555.34x = 126,395,407.77
  5. Step 5: Solve for x
    x = 126,395,407.77/14,555.34
  6. Step 6: Final answer
    x = 8,683.78

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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.