Home / 13,593.57-18,702.95-11,018.38

Finding the Fourth Proportional to 13,593.57, 18,702.95 and 11,018.38

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Solution

The fourth proportional to 13,593.57, 18,702.95 and 11,018.38 is: 15,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.57 : 18,702.95 = 11,018.38 : x
  2. Step 2: Convert to fraction form
    13,593.57/18,702.95 = 11,018.38/x
  3. Step 3: Cross multiply
    13,593.57x = 18,702.95 × 11,018.38
  4. Step 4: Simplify right side
    13,593.57x = 206,076,205.42
  5. Step 5: Solve for x
    x = 206,076,205.42/13,593.57
  6. Step 6: Final answer
    x = 15,159.83

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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.