Home / 19,788.61-27,308.29-10,836.67

Finding the Fourth Proportional to 19,788.61, 27,308.29 and 10,836.67

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Solution

The fourth proportional to 19,788.61, 27,308.29 and 10,836.67 is: 14,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.61 : 27,308.29 = 10,836.67 : x
  2. Step 2: Convert to fraction form
    19,788.61/27,308.29 = 10,836.67/x
  3. Step 3: Cross multiply
    19,788.61x = 27,308.29 × 10,836.67
  4. Step 4: Simplify right side
    19,788.61x = 295,930,926.99
  5. Step 5: Solve for x
    x = 295,930,926.99/19,788.61
  6. Step 6: Final answer
    x = 14,954.61

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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.