Home / 27,219.11-37,564.23-15,121.01

Finding the Fourth Proportional to 27,219.11, 37,564.23 and 15,121.01

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Solution

The fourth proportional to 27,219.11, 37,564.23 and 15,121.01 is: 20,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.11 : 37,564.23 = 15,121.01 : x
  2. Step 2: Convert to fraction form
    27,219.11/37,564.23 = 15,121.01/x
  3. Step 3: Cross multiply
    27,219.11x = 37,564.23 × 15,121.01
  4. Step 4: Simplify right side
    27,219.11x = 568,009,097.47
  5. Step 5: Solve for x
    x = 568,009,097.47/27,219.11
  6. Step 6: Final answer
    x = 20,868.03

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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.