Home / 15,033.99-20,744.33-9,657.62

Finding the Fourth Proportional to 15,033.99, 20,744.33 and 9,657.62

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Solution

The fourth proportional to 15,033.99, 20,744.33 and 9,657.62 is: 13,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.99 : 20,744.33 = 9,657.62 : x
  2. Step 2: Convert to fraction form
    15,033.99/20,744.33 = 9,657.62/x
  3. Step 3: Cross multiply
    15,033.99x = 20,744.33 × 9,657.62
  4. Step 4: Simplify right side
    15,033.99x = 200,340,856.29
  5. Step 5: Solve for x
    x = 200,340,856.29/15,033.99
  6. Step 6: Final answer
    x = 13,325.86

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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.