Home / 25,759.96-38,576.58-12,569.80

Finding the Fourth Proportional to 25,759.96, 38,576.58 and 12,569.80

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Solution

The fourth proportional to 25,759.96, 38,576.58 and 12,569.80 is: 18,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.96 : 38,576.58 = 12,569.80 : x
  2. Step 2: Convert to fraction form
    25,759.96/38,576.58 = 12,569.80/x
  3. Step 3: Cross multiply
    25,759.96x = 38,576.58 × 12,569.80
  4. Step 4: Simplify right side
    25,759.96x = 484,899,895.28
  5. Step 5: Solve for x
    x = 484,899,895.28/25,759.96
  6. Step 6: Final answer
    x = 18,823.78

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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.