Home / 25,759.71-38,576.21-12,569.55

Finding the Fourth Proportional to 25,759.71, 38,576.21 and 12,569.55

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Solution

The fourth proportional to 25,759.71, 38,576.21 and 12,569.55 is: 18,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.71 : 38,576.21 = 12,569.55 : x
  2. Step 2: Convert to fraction form
    25,759.71/38,576.21 = 12,569.55/x
  3. Step 3: Cross multiply
    25,759.71x = 38,576.21 × 12,569.55
  4. Step 4: Simplify right side
    25,759.71x = 484,885,537.56
  5. Step 5: Solve for x
    x = 484,885,537.56/25,759.71
  6. Step 6: Final answer
    x = 18,823.41

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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.