Home / 18,748.68-28,112.49-6,262.13

Finding the Fourth Proportional to 18,748.68, 28,112.49 and 6,262.13

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Solution

The fourth proportional to 18,748.68, 28,112.49 and 6,262.13 is: 9,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.68 : 28,112.49 = 6,262.13 : x
  2. Step 2: Convert to fraction form
    18,748.68/28,112.49 = 6,262.13/x
  3. Step 3: Cross multiply
    18,748.68x = 28,112.49 × 6,262.13
  4. Step 4: Simplify right side
    18,748.68x = 176,043,926.44
  5. Step 5: Solve for x
    x = 176,043,926.44/18,748.68
  6. Step 6: Final answer
    x = 9,389.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.