Home / 23,024.80-34,537.20-21,275.20

Finding the Fourth Proportional to 23,024.80, 34,537.20 and 21,275.20

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Solution

The fourth proportional to 23,024.80, 34,537.20 and 21,275.20 is: 31,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,024.80 : 34,537.20 = 21,275.20 : x
  2. Step 2: Convert to fraction form
    23,024.80/34,537.20 = 21,275.20/x
  3. Step 3: Cross multiply
    23,024.80x = 34,537.20 × 21,275.20
  4. Step 4: Simplify right side
    23,024.80x = 734,785,837.44
  5. Step 5: Solve for x
    x = 734,785,837.44/23,024.80
  6. Step 6: Final answer
    x = 31,912.80

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1.5x scale

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.