Home / 23,285.89-32,172.11-16,243.75

Finding the Fourth Proportional to 23,285.89, 32,172.11 and 16,243.75

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Solution

The fourth proportional to 23,285.89, 32,172.11 and 16,243.75 is: 22,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,285.89 : 32,172.11 = 16,243.75 : x
  2. Step 2: Convert to fraction form
    23,285.89/32,172.11 = 16,243.75/x
  3. Step 3: Cross multiply
    23,285.89x = 32,172.11 × 16,243.75
  4. Step 4: Simplify right side
    23,285.89x = 522,595,711.81
  5. Step 5: Solve for x
    x = 522,595,711.81/23,285.89
  6. Step 6: Final answer
    x = 22,442.59

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1.5x scale

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.