Home / 20,445.24-30,671.10-6,591

Finding the Fourth Proportional to 20,445.24, 30,671.10 and 6,591

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Solution

The fourth proportional to 20,445.24, 30,671.10 and 6,591 is: 9,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.24 : 30,671.10 = 6,591 : x
  2. Step 2: Convert to fraction form
    20,445.24/30,671.10 = 6,591/x
  3. Step 3: Cross multiply
    20,445.24x = 30,671.10 × 6,591
  4. Step 4: Simplify right side
    20,445.24x = 202,153,220.10
  5. Step 5: Solve for x
    x = 202,153,220.10/20,445.24
  6. Step 6: Final answer
    x = 9,887.54

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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.