Home / 25,649.36-35,392.20-16,230.80

Finding the Fourth Proportional to 25,649.36, 35,392.20 and 16,230.80

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Solution

The fourth proportional to 25,649.36, 35,392.20 and 16,230.80 is: 22,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.36 : 35,392.20 = 16,230.80 : x
  2. Step 2: Convert to fraction form
    25,649.36/35,392.20 = 16,230.80/x
  3. Step 3: Cross multiply
    25,649.36x = 35,392.20 × 16,230.80
  4. Step 4: Simplify right side
    25,649.36x = 574,443,719.76
  5. Step 5: Solve for x
    x = 574,443,719.76/25,649.36
  6. Step 6: Final answer
    x = 22,396.03

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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.