Home / 19,888.79-27,446.52-10,936.86

Finding the Fourth Proportional to 19,888.79, 27,446.52 and 10,936.86

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Solution

The fourth proportional to 19,888.79, 27,446.52 and 10,936.86 is: 15,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.79 : 27,446.52 = 10,936.86 : x
  2. Step 2: Convert to fraction form
    19,888.79/27,446.52 = 10,936.86/x
  3. Step 3: Cross multiply
    19,888.79x = 27,446.52 × 10,936.86
  4. Step 4: Simplify right side
    19,888.79x = 300,178,746.73
  5. Step 5: Solve for x
    x = 300,178,746.73/19,888.79
  6. Step 6: Final answer
    x = 15,092.86

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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.