Home / 27,112.19-40,664.43-10,480.05

Finding the Fourth Proportional to 27,112.19, 40,664.43 and 10,480.05

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Solution

The fourth proportional to 27,112.19, 40,664.43 and 10,480.05 is: 15,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,112.19 : 40,664.43 = 10,480.05 : x
  2. Step 2: Convert to fraction form
    27,112.19/40,664.43 = 10,480.05/x
  3. Step 3: Cross multiply
    27,112.19x = 40,664.43 × 10,480.05
  4. Step 4: Simplify right side
    27,112.19x = 426,165,259.62
  5. Step 5: Solve for x
    x = 426,165,259.62/27,112.19
  6. Step 6: Final answer
    x = 15,718.59

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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.