Home / 25,500.96-38,180.16-13,772.16

Finding the Fourth Proportional to 25,500.96, 38,180.16 and 13,772.16

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Solution

The fourth proportional to 25,500.96, 38,180.16 and 13,772.16 is: 20,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.96 : 38,180.16 = 13,772.16 : x
  2. Step 2: Convert to fraction form
    25,500.96/38,180.16 = 13,772.16/x
  3. Step 3: Cross multiply
    25,500.96x = 38,180.16 × 13,772.16
  4. Step 4: Simplify right side
    25,500.96x = 525,823,272.35
  5. Step 5: Solve for x
    x = 525,823,272.35/25,500.96
  6. Step 6: Final answer
    x = 20,619.74

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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.