Home / 13,209.39-19,814.09-3,348.67

Finding the Fourth Proportional to 13,209.39, 19,814.09 and 3,348.67

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Solution

The fourth proportional to 13,209.39, 19,814.09 and 3,348.67 is: 5,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.39 : 19,814.09 = 3,348.67 : x
  2. Step 2: Convert to fraction form
    13,209.39/19,814.09 = 3,348.67/x
  3. Step 3: Cross multiply
    13,209.39x = 19,814.09 × 3,348.67
  4. Step 4: Simplify right side
    13,209.39x = 66,350,848.76
  5. Step 5: Solve for x
    x = 66,350,848.76/13,209.39
  6. Step 6: Final answer
    x = 5,023.01

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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.