Home / 19,789.14-27,307.89-10,834.86

Finding the Fourth Proportional to 19,789.14, 27,307.89 and 10,834.86

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Solution

The fourth proportional to 19,789.14, 27,307.89 and 10,834.86 is: 14,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.14 : 27,307.89 = 10,834.86 : x
  2. Step 2: Convert to fraction form
    19,789.14/27,307.89 = 10,834.86/x
  3. Step 3: Cross multiply
    19,789.14x = 27,307.89 × 10,834.86
  4. Step 4: Simplify right side
    19,789.14x = 295,877,165.05
  5. Step 5: Solve for x
    x = 295,877,165.05/19,789.14
  6. Step 6: Final answer
    x = 14,951.49

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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.