Home / 19,381.38-26,749.23-11,832.11

Finding the Fourth Proportional to 19,381.38, 26,749.23 and 11,832.11

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Solution

The fourth proportional to 19,381.38, 26,749.23 and 11,832.11 is: 16,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.38 : 26,749.23 = 11,832.11 : x
  2. Step 2: Convert to fraction form
    19,381.38/26,749.23 = 11,832.11/x
  3. Step 3: Cross multiply
    19,381.38x = 26,749.23 × 11,832.11
  4. Step 4: Simplify right side
    19,381.38x = 316,499,920.83
  5. Step 5: Solve for x
    x = 316,499,920.83/19,381.38
  6. Step 6: Final answer
    x = 16,330.10

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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.