Home / 25,851.20-35,669.13-15,091.19

Finding the Fourth Proportional to 25,851.20, 35,669.13 and 15,091.19

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Solution

The fourth proportional to 25,851.20, 35,669.13 and 15,091.19 is: 20,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.20 : 35,669.13 = 15,091.19 : x
  2. Step 2: Convert to fraction form
    25,851.20/35,669.13 = 15,091.19/x
  3. Step 3: Cross multiply
    25,851.20x = 35,669.13 × 15,091.19
  4. Step 4: Simplify right side
    25,851.20x = 538,289,621.48
  5. Step 5: Solve for x
    x = 538,289,621.48/25,851.20
  6. Step 6: Final answer
    x = 20,822.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.