Home / 12,343.47-18,513.31-4,023.47

Finding the Fourth Proportional to 12,343.47, 18,513.31 and 4,023.47

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Solution

The fourth proportional to 12,343.47, 18,513.31 and 4,023.47 is: 6,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.47 : 18,513.31 = 4,023.47 : x
  2. Step 2: Convert to fraction form
    12,343.47/18,513.31 = 4,023.47/x
  3. Step 3: Cross multiply
    12,343.47x = 18,513.31 × 4,023.47
  4. Step 4: Simplify right side
    12,343.47x = 74,487,747.39
  5. Step 5: Solve for x
    x = 74,487,747.39/12,343.47
  6. Step 6: Final answer
    x = 6,034.59

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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.