Home / 19,339.39-26,686.35-11,381.14

Finding the Fourth Proportional to 19,339.39, 26,686.35 and 11,381.14

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Solution

The fourth proportional to 19,339.39, 26,686.35 and 11,381.14 is: 15,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.39 : 26,686.35 = 11,381.14 : x
  2. Step 2: Convert to fraction form
    19,339.39/26,686.35 = 11,381.14/x
  3. Step 3: Cross multiply
    19,339.39x = 26,686.35 × 11,381.14
  4. Step 4: Simplify right side
    19,339.39x = 303,721,018.72
  5. Step 5: Solve for x
    x = 303,721,018.72/19,339.39
  6. Step 6: Final answer
    x = 15,704.79

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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.