Home / 14,385.05-21,576.02-3,856.11

Finding the Fourth Proportional to 14,385.05, 21,576.02 and 3,856.11

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Solution

The fourth proportional to 14,385.05, 21,576.02 and 3,856.11 is: 5,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.05 : 21,576.02 = 3,856.11 : x
  2. Step 2: Convert to fraction form
    14,385.05/21,576.02 = 3,856.11/x
  3. Step 3: Cross multiply
    14,385.05x = 21,576.02 × 3,856.11
  4. Step 4: Simplify right side
    14,385.05x = 83,199,487.20
  5. Step 5: Solve for x
    x = 83,199,487.20/14,385.05
  6. Step 6: Final answer
    x = 5,783.75

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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.