Home / 25,338.92-34,970.66-21,082.48

Finding the Fourth Proportional to 25,338.92, 34,970.66 and 21,082.48

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Solution

The fourth proportional to 25,338.92, 34,970.66 and 21,082.48 is: 29,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.92 : 34,970.66 = 21,082.48 : x
  2. Step 2: Convert to fraction form
    25,338.92/34,970.66 = 21,082.48/x
  3. Step 3: Cross multiply
    25,338.92x = 34,970.66 × 21,082.48
  4. Step 4: Simplify right side
    25,338.92x = 737,268,240.04
  5. Step 5: Solve for x
    x = 737,268,240.04/25,338.92
  6. Step 6: Final answer
    x = 29,096.28

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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.