Home / 16,255.36-22,432.38-8,803.36

Finding the Fourth Proportional to 16,255.36, 22,432.38 and 8,803.36

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Solution

The fourth proportional to 16,255.36, 22,432.38 and 8,803.36 is: 12,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,255.36 : 22,432.38 = 8,803.36 : x
  2. Step 2: Convert to fraction form
    16,255.36/22,432.38 = 8,803.36/x
  3. Step 3: Cross multiply
    16,255.36x = 22,432.38 × 8,803.36
  4. Step 4: Simplify right side
    16,255.36x = 197,480,316.80
  5. Step 5: Solve for x
    x = 197,480,316.80/16,255.36
  6. Step 6: Final answer
    x = 12,148.63

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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.