Home / 11,021.60-16,532.40-10,023.20

Finding the Fourth Proportional to 11,021.60, 16,532.40 and 10,023.20

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Solution

The fourth proportional to 11,021.60, 16,532.40 and 10,023.20 is: 15,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.60 : 16,532.40 = 10,023.20 : x
  2. Step 2: Convert to fraction form
    11,021.60/16,532.40 = 10,023.20/x
  3. Step 3: Cross multiply
    11,021.60x = 16,532.40 × 10,023.20
  4. Step 4: Simplify right side
    11,021.60x = 165,707,551.68
  5. Step 5: Solve for x
    x = 165,707,551.68/11,021.60
  6. Step 6: Final answer
    x = 15,034.80

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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.