Home / 25,929.16-38,891.86-10,131.22

Finding the Fourth Proportional to 25,929.16, 38,891.86 and 10,131.22

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Solution

The fourth proportional to 25,929.16, 38,891.86 and 10,131.22 is: 15,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.16 : 38,891.86 = 10,131.22 : x
  2. Step 2: Convert to fraction form
    25,929.16/38,891.86 = 10,131.22/x
  3. Step 3: Cross multiply
    25,929.16x = 38,891.86 × 10,131.22
  4. Step 4: Simplify right side
    25,929.16x = 394,021,989.87
  5. Step 5: Solve for x
    x = 394,021,989.87/25,929.16
  6. Step 6: Final answer
    x = 15,196.10

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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.