Home / 25,816.80-38,724.40-7,348.80

Finding the Fourth Proportional to 25,816.80, 38,724.40 and 7,348.80

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Solution

The fourth proportional to 25,816.80, 38,724.40 and 7,348.80 is: 11,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.80 : 38,724.40 = 7,348.80 : x
  2. Step 2: Convert to fraction form
    25,816.80/38,724.40 = 7,348.80/x
  3. Step 3: Cross multiply
    25,816.80x = 38,724.40 × 7,348.80
  4. Step 4: Simplify right side
    25,816.80x = 284,577,870.72
  5. Step 5: Solve for x
    x = 284,577,870.72/25,816.80
  6. Step 6: Final answer
    x = 11,022.97

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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.