Home / 19,486.92-26,881.24-11,527.61

Finding the Fourth Proportional to 19,486.92, 26,881.24 and 11,527.61

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Solution

The fourth proportional to 19,486.92, 26,881.24 and 11,527.61 is: 15,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.92 : 26,881.24 = 11,527.61 : x
  2. Step 2: Convert to fraction form
    19,486.92/26,881.24 = 11,527.61/x
  3. Step 3: Cross multiply
    19,486.92x = 26,881.24 × 11,527.61
  4. Step 4: Simplify right side
    19,486.92x = 309,876,451.04
  5. Step 5: Solve for x
    x = 309,876,451.04/19,486.92
  6. Step 6: Final answer
    x = 15,901.77

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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.