Home / 25,528.80-38,293.26-7,759.62

Finding the Fourth Proportional to 25,528.80, 38,293.26 and 7,759.62

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Solution

The fourth proportional to 25,528.80, 38,293.26 and 7,759.62 is: 11,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.80 : 38,293.26 = 7,759.62 : x
  2. Step 2: Convert to fraction form
    25,528.80/38,293.26 = 7,759.62/x
  3. Step 3: Cross multiply
    25,528.80x = 38,293.26 × 7,759.62
  4. Step 4: Simplify right side
    25,528.80x = 297,141,146.16
  5. Step 5: Solve for x
    x = 297,141,146.16/25,528.80
  6. Step 6: Final answer
    x = 11,639.45

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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.