Home / 23,278.59-32,114.49-18,222.54

Finding the Fourth Proportional to 23,278.59, 32,114.49 and 18,222.54

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Solution

The fourth proportional to 23,278.59, 32,114.49 and 18,222.54 is: 25,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.59 : 32,114.49 = 18,222.54 : x
  2. Step 2: Convert to fraction form
    23,278.59/32,114.49 = 18,222.54/x
  3. Step 3: Cross multiply
    23,278.59x = 32,114.49 × 18,222.54
  4. Step 4: Simplify right side
    23,278.59x = 585,207,578.60
  5. Step 5: Solve for x
    x = 585,207,578.60/23,278.59
  6. Step 6: Final answer
    x = 25,139.31

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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.