Home / 27,088.13-40,640.30-11,506.97

Finding the Fourth Proportional to 27,088.13, 40,640.30 and 11,506.97

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Solution

The fourth proportional to 27,088.13, 40,640.30 and 11,506.97 is: 17,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.13 : 40,640.30 = 11,506.97 : x
  2. Step 2: Convert to fraction form
    27,088.13/40,640.30 = 11,506.97/x
  3. Step 3: Cross multiply
    27,088.13x = 40,640.30 × 11,506.97
  4. Step 4: Simplify right side
    27,088.13x = 467,646,452.15
  5. Step 5: Solve for x
    x = 467,646,452.15/27,088.13
  6. Step 6: Final answer
    x = 17,263.89

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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.