Home / 20,459.52-28,227.30-16,676.16

Finding the Fourth Proportional to 20,459.52, 28,227.30 and 16,676.16

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Solution

The fourth proportional to 20,459.52, 28,227.30 and 16,676.16 is: 23,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459.52 : 28,227.30 = 16,676.16 : x
  2. Step 2: Convert to fraction form
    20,459.52/28,227.30 = 16,676.16/x
  3. Step 3: Cross multiply
    20,459.52x = 28,227.30 × 16,676.16
  4. Step 4: Simplify right side
    20,459.52x = 470,722,971.17
  5. Step 5: Solve for x
    x = 470,722,971.17/20,459.52
  6. Step 6: Final answer
    x = 23,007.53

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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.