Home / 18,111.10-27,153.15-9,352.30

Finding the Fourth Proportional to 18,111.10, 27,153.15 and 9,352.30

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Solution

The fourth proportional to 18,111.10, 27,153.15 and 9,352.30 is: 14,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.10 : 27,153.15 = 9,352.30 : x
  2. Step 2: Convert to fraction form
    18,111.10/27,153.15 = 9,352.30/x
  3. Step 3: Cross multiply
    18,111.10x = 27,153.15 × 9,352.30
  4. Step 4: Simplify right side
    18,111.10x = 253,944,404.75
  5. Step 5: Solve for x
    x = 253,944,404.75/18,111.10
  6. Step 6: Final answer
    x = 14,021.48

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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.