Home / 23,420.57-32,324.33-18,422.87

Finding the Fourth Proportional to 23,420.57, 32,324.33 and 18,422.87

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Solution

The fourth proportional to 23,420.57, 32,324.33 and 18,422.87 is: 25,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.57 : 32,324.33 = 18,422.87 : x
  2. Step 2: Convert to fraction form
    23,420.57/32,324.33 = 18,422.87/x
  3. Step 3: Cross multiply
    23,420.57x = 32,324.33 × 18,422.87
  4. Step 4: Simplify right side
    23,420.57x = 595,506,813.86
  5. Step 5: Solve for x
    x = 595,506,813.86/23,420.57
  6. Step 6: Final answer
    x = 25,426.66

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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.