Home / 25,576.71-38,389.98-15,735.21

Finding the Fourth Proportional to 25,576.71, 38,389.98 and 15,735.21

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Solution

The fourth proportional to 25,576.71, 38,389.98 and 15,735.21 is: 23,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.71 : 38,389.98 = 15,735.21 : x
  2. Step 2: Convert to fraction form
    25,576.71/38,389.98 = 15,735.21/x
  3. Step 3: Cross multiply
    25,576.71x = 38,389.98 × 15,735.21
  4. Step 4: Simplify right side
    25,576.71x = 604,074,397.20
  5. Step 5: Solve for x
    x = 604,074,397.20/25,576.71
  6. Step 6: Final answer
    x = 23,618.14

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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.