Home / 27,519.03-37,993.95-18,919.53

Finding the Fourth Proportional to 27,519.03, 37,993.95 and 18,919.53

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Solution

The fourth proportional to 27,519.03, 37,993.95 and 18,919.53 is: 26,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.03 : 37,993.95 = 18,919.53 : x
  2. Step 2: Convert to fraction form
    27,519.03/37,993.95 = 18,919.53/x
  3. Step 3: Cross multiply
    27,519.03x = 37,993.95 × 18,919.53
  4. Step 4: Simplify right side
    27,519.03x = 718,827,676.84
  5. Step 5: Solve for x
    x = 718,827,676.84/27,519.03
  6. Step 6: Final answer
    x = 26,121.11

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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.