Home / 13,567.21-20,348.78-5,246.19

Finding the Fourth Proportional to 13,567.21, 20,348.78 and 5,246.19

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Solution

The fourth proportional to 13,567.21, 20,348.78 and 5,246.19 is: 7,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.21 : 20,348.78 = 5,246.19 : x
  2. Step 2: Convert to fraction form
    13,567.21/20,348.78 = 5,246.19/x
  3. Step 3: Cross multiply
    13,567.21x = 20,348.78 × 5,246.19
  4. Step 4: Simplify right side
    13,567.21x = 106,753,539.92
  5. Step 5: Solve for x
    x = 106,753,539.92/13,567.21
  6. Step 6: Final answer
    x = 7,868.50

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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.