Home / 12,023.80-18,035.70-5,003.68

Finding the Fourth Proportional to 12,023.80, 18,035.70 and 5,003.68

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Solution

The fourth proportional to 12,023.80, 18,035.70 and 5,003.68 is: 7,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.80 : 18,035.70 = 5,003.68 : x
  2. Step 2: Convert to fraction form
    12,023.80/18,035.70 = 5,003.68/x
  3. Step 3: Cross multiply
    12,023.80x = 18,035.70 × 5,003.68
  4. Step 4: Simplify right side
    12,023.80x = 90,244,871.38
  5. Step 5: Solve for x
    x = 90,244,871.38/12,023.80
  6. Step 6: Final answer
    x = 7,505.52

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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.