Home / 27,176.10-40,755.74-13,127.40

Finding the Fourth Proportional to 27,176.10, 40,755.74 and 13,127.40

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Solution

The fourth proportional to 27,176.10, 40,755.74 and 13,127.40 is: 19,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.10 : 40,755.74 = 13,127.40 : x
  2. Step 2: Convert to fraction form
    27,176.10/40,755.74 = 13,127.40/x
  3. Step 3: Cross multiply
    27,176.10x = 40,755.74 × 13,127.40
  4. Step 4: Simplify right side
    27,176.10x = 535,016,901.28
  5. Step 5: Solve for x
    x = 535,016,901.28/27,176.10
  6. Step 6: Final answer
    x = 19,687.04

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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.