Home / 13,694.38-20,442.51-12,033.63

Finding the Fourth Proportional to 13,694.38, 20,442.51 and 12,033.63

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Solution

The fourth proportional to 13,694.38, 20,442.51 and 12,033.63 is: 17,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.38 : 20,442.51 = 12,033.63 : x
  2. Step 2: Convert to fraction form
    13,694.38/20,442.51 = 12,033.63/x
  3. Step 3: Cross multiply
    13,694.38x = 20,442.51 × 12,033.63
  4. Step 4: Simplify right side
    13,694.38x = 245,997,601.61
  5. Step 5: Solve for x
    x = 245,997,601.61/13,694.38
  6. Step 6: Final answer
    x = 17,963.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.