Home / 23,750.04-32,753.34-20,391.78

Finding the Fourth Proportional to 23,750.04, 32,753.34 and 20,391.78

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Solution

The fourth proportional to 23,750.04, 32,753.34 and 20,391.78 is: 28,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.04 : 32,753.34 = 20,391.78 : x
  2. Step 2: Convert to fraction form
    23,750.04/32,753.34 = 20,391.78/x
  3. Step 3: Cross multiply
    23,750.04x = 32,753.34 × 20,391.78
  4. Step 4: Simplify right side
    23,750.04x = 667,898,903.55
  5. Step 5: Solve for x
    x = 667,898,903.55/23,750.04
  6. Step 6: Final answer
    x = 28,122.01

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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.