Home / 16,649.28-24,995.76-12,975.04

Finding the Fourth Proportional to 16,649.28, 24,995.76 and 12,975.04

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Solution

The fourth proportional to 16,649.28, 24,995.76 and 12,975.04 is: 19,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.28 : 24,995.76 = 12,975.04 : x
  2. Step 2: Convert to fraction form
    16,649.28/24,995.76 = 12,975.04/x
  3. Step 3: Cross multiply
    16,649.28x = 24,995.76 × 12,975.04
  4. Step 4: Simplify right side
    16,649.28x = 324,320,985.83
  5. Step 5: Solve for x
    x = 324,320,985.83/16,649.28
  6. Step 6: Final answer
    x = 19,479.58

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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.