Home / 16,220.28-24,331.74-4,978.08

Finding the Fourth Proportional to 16,220.28, 24,331.74 and 4,978.08

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Solution

The fourth proportional to 16,220.28, 24,331.74 and 4,978.08 is: 7,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.28 : 24,331.74 = 4,978.08 : x
  2. Step 2: Convert to fraction form
    16,220.28/24,331.74 = 4,978.08/x
  3. Step 3: Cross multiply
    16,220.28x = 24,331.74 × 4,978.08
  4. Step 4: Simplify right side
    16,220.28x = 121,125,348.26
  5. Step 5: Solve for x
    x = 121,125,348.26/16,220.28
  6. Step 6: Final answer
    x = 7,467.53

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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.