Home / 23,118.30-31,893.08-13,553.33

Finding the Fourth Proportional to 23,118.30, 31,893.08 and 13,553.33

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Solution

The fourth proportional to 23,118.30, 31,893.08 and 13,553.33 is: 18,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.30 : 31,893.08 = 13,553.33 : x
  2. Step 2: Convert to fraction form
    23,118.30/31,893.08 = 13,553.33/x
  3. Step 3: Cross multiply
    23,118.30x = 31,893.08 × 13,553.33
  4. Step 4: Simplify right side
    23,118.30x = 432,257,278.49
  5. Step 5: Solve for x
    x = 432,257,278.49/23,118.30
  6. Step 6: Final answer
    x = 18,697.62

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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.