Home / 18,882.99-26,049.77-15,111.46

Finding the Fourth Proportional to 18,882.99, 26,049.77 and 15,111.46

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Solution

The fourth proportional to 18,882.99, 26,049.77 and 15,111.46 is: 20,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.99 : 26,049.77 = 15,111.46 : x
  2. Step 2: Convert to fraction form
    18,882.99/26,049.77 = 15,111.46/x
  3. Step 3: Cross multiply
    18,882.99x = 26,049.77 × 15,111.46
  4. Step 4: Simplify right side
    18,882.99x = 393,650,071.04
  5. Step 5: Solve for x
    x = 393,650,071.04/18,882.99
  6. Step 6: Final answer
    x = 20,846.81

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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.