Home / 13,363.21-20,033.83-7,802.83

Finding the Fourth Proportional to 13,363.21, 20,033.83 and 7,802.83

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Solution

The fourth proportional to 13,363.21, 20,033.83 and 7,802.83 is: 11,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.21 : 20,033.83 = 7,802.83 : x
  2. Step 2: Convert to fraction form
    13,363.21/20,033.83 = 7,802.83/x
  3. Step 3: Cross multiply
    13,363.21x = 20,033.83 × 7,802.83
  4. Step 4: Simplify right side
    13,363.21x = 156,320,569.74
  5. Step 5: Solve for x
    x = 156,320,569.74/13,363.21
  6. Step 6: Final answer
    x = 11,697.83

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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.