Home / 25,421.92-38,131.36-15,099.36

Finding the Fourth Proportional to 25,421.92, 38,131.36 and 15,099.36

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Solution

The fourth proportional to 25,421.92, 38,131.36 and 15,099.36 is: 22,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.92 : 38,131.36 = 15,099.36 : x
  2. Step 2: Convert to fraction form
    25,421.92/38,131.36 = 15,099.36/x
  3. Step 3: Cross multiply
    25,421.92x = 38,131.36 × 15,099.36
  4. Step 4: Simplify right side
    25,421.92x = 575,759,131.93
  5. Step 5: Solve for x
    x = 575,759,131.93/25,421.92
  6. Step 6: Final answer
    x = 22,648.14

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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.