Home / 27,066.15-37,352.10-15,129.54

Finding the Fourth Proportional to 27,066.15, 37,352.10 and 15,129.54

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Solution

The fourth proportional to 27,066.15, 37,352.10 and 15,129.54 is: 20,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.15 : 37,352.10 = 15,129.54 : x
  2. Step 2: Convert to fraction form
    27,066.15/37,352.10 = 15,129.54/x
  3. Step 3: Cross multiply
    27,066.15x = 37,352.10 × 15,129.54
  4. Step 4: Simplify right side
    27,066.15x = 565,120,091.03
  5. Step 5: Solve for x
    x = 565,120,091.03/27,066.15
  6. Step 6: Final answer
    x = 20,879.22

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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.