Home / 19,788.35-27,307.07-10,835.69

Finding the Fourth Proportional to 19,788.35, 27,307.07 and 10,835.69

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Solution

The fourth proportional to 19,788.35, 27,307.07 and 10,835.69 is: 14,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.35 : 27,307.07 = 10,835.69 : x
  2. Step 2: Convert to fraction form
    19,788.35/27,307.07 = 10,835.69/x
  3. Step 3: Cross multiply
    19,788.35x = 27,307.07 × 10,835.69
  4. Step 4: Simplify right side
    19,788.35x = 295,890,754.61
  5. Step 5: Solve for x
    x = 295,890,754.61/19,788.35
  6. Step 6: Final answer
    x = 14,952.78

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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.