Home / 25,357.56-38,024.78-13,508.30

Finding the Fourth Proportional to 25,357.56, 38,024.78 and 13,508.30

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Solution

The fourth proportional to 25,357.56, 38,024.78 and 13,508.30 is: 20,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.56 : 38,024.78 = 13,508.30 : x
  2. Step 2: Convert to fraction form
    25,357.56/38,024.78 = 13,508.30/x
  3. Step 3: Cross multiply
    25,357.56x = 38,024.78 × 13,508.30
  4. Step 4: Simplify right side
    25,357.56x = 513,650,163.19
  5. Step 5: Solve for x
    x = 513,650,163.19/25,357.56
  6. Step 6: Final answer
    x = 20,256.30

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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.