Home / 27,431.13-41,146.70-8,963.13

Finding the Fourth Proportional to 27,431.13, 41,146.70 and 8,963.13

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Solution

The fourth proportional to 27,431.13, 41,146.70 and 8,963.13 is: 13,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.13 : 41,146.70 = 8,963.13 : x
  2. Step 2: Convert to fraction form
    27,431.13/41,146.70 = 8,963.13/x
  3. Step 3: Cross multiply
    27,431.13x = 41,146.70 × 8,963.13
  4. Step 4: Simplify right side
    27,431.13x = 368,803,221.17
  5. Step 5: Solve for x
    x = 368,803,221.17/27,431.13
  6. Step 6: Final answer
    x = 13,444.70

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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.