Home / 13,314.52-18,398.46-11,540.44

Finding the Fourth Proportional to 13,314.52, 18,398.46 and 11,540.44

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Solution

The fourth proportional to 13,314.52, 18,398.46 and 11,540.44 is: 15,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.52 : 18,398.46 = 11,540.44 : x
  2. Step 2: Convert to fraction form
    13,314.52/18,398.46 = 11,540.44/x
  3. Step 3: Cross multiply
    13,314.52x = 18,398.46 × 11,540.44
  4. Step 4: Simplify right side
    13,314.52x = 212,326,323.72
  5. Step 5: Solve for x
    x = 212,326,323.72/13,314.52
  6. Step 6: Final answer
    x = 15,946.98

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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.