Home / 19,192.11-26,491.74-11,236.89

Finding the Fourth Proportional to 19,192.11, 26,491.74 and 11,236.89

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Solution

The fourth proportional to 19,192.11, 26,491.74 and 11,236.89 is: 15,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.11 : 26,491.74 = 11,236.89 : x
  2. Step 2: Convert to fraction form
    19,192.11/26,491.74 = 11,236.89/x
  3. Step 3: Cross multiply
    19,192.11x = 26,491.74 × 11,236.89
  4. Step 4: Simplify right side
    19,192.11x = 297,684,768.29
  5. Step 5: Solve for x
    x = 297,684,768.29/19,192.11
  6. Step 6: Final answer
    x = 15,510.79

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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.