Home / 27,431.91-41,116.80-12,610.23

Finding the Fourth Proportional to 27,431.91, 41,116.80 and 12,610.23

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Solution

The fourth proportional to 27,431.91, 41,116.80 and 12,610.23 is: 18,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.91 : 41,116.80 = 12,610.23 : x
  2. Step 2: Convert to fraction form
    27,431.91/41,116.80 = 12,610.23/x
  3. Step 3: Cross multiply
    27,431.91x = 41,116.80 × 12,610.23
  4. Step 4: Simplify right side
    27,431.91x = 518,492,304.86
  5. Step 5: Solve for x
    x = 518,492,304.86/27,431.91
  6. Step 6: Final answer
    x = 18,901.06

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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.