Home / 18,077.36-27,116.28-9,307.76

Finding the Fourth Proportional to 18,077.36, 27,116.28 and 9,307.76

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Solution

The fourth proportional to 18,077.36, 27,116.28 and 9,307.76 is: 13,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.36 : 27,116.28 = 9,307.76 : x
  2. Step 2: Convert to fraction form
    18,077.36/27,116.28 = 9,307.76/x
  3. Step 3: Cross multiply
    18,077.36x = 27,116.28 × 9,307.76
  4. Step 4: Simplify right side
    18,077.36x = 252,391,826.33
  5. Step 5: Solve for x
    x = 252,391,826.33/18,077.36
  6. Step 6: Final answer
    x = 13,961.76

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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.