Home / 27,176.67-37,504.19-16,420.05

Finding the Fourth Proportional to 27,176.67, 37,504.19 and 16,420.05

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Solution

The fourth proportional to 27,176.67, 37,504.19 and 16,420.05 is: 22,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.67 : 37,504.19 = 16,420.05 : x
  2. Step 2: Convert to fraction form
    27,176.67/37,504.19 = 16,420.05/x
  3. Step 3: Cross multiply
    27,176.67x = 37,504.19 × 16,420.05
  4. Step 4: Simplify right side
    27,176.67x = 615,820,716.06
  5. Step 5: Solve for x
    x = 615,820,716.06/27,176.67
  6. Step 6: Final answer
    x = 22,659.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.