Home / 27,217.11-37,561.47-15,119.01

Finding the Fourth Proportional to 27,217.11, 37,561.47 and 15,119.01

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Solution

The fourth proportional to 27,217.11, 37,561.47 and 15,119.01 is: 20,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.11 : 37,561.47 = 15,119.01 : x
  2. Step 2: Convert to fraction form
    27,217.11/37,561.47 = 15,119.01/x
  3. Step 3: Cross multiply
    27,217.11x = 37,561.47 × 15,119.01
  4. Step 4: Simplify right side
    27,217.11x = 567,892,240.54
  5. Step 5: Solve for x
    x = 567,892,240.54/27,217.11
  6. Step 6: Final answer
    x = 20,865.27

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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.