Home / 19,601.87-29,406.43-9,213.62

Finding the Fourth Proportional to 19,601.87, 29,406.43 and 9,213.62

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Solution

The fourth proportional to 19,601.87, 29,406.43 and 9,213.62 is: 13,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.87 : 29,406.43 = 9,213.62 : x
  2. Step 2: Convert to fraction form
    19,601.87/29,406.43 = 9,213.62/x
  3. Step 3: Cross multiply
    19,601.87x = 29,406.43 × 9,213.62
  4. Step 4: Simplify right side
    19,601.87x = 270,939,536.06
  5. Step 5: Solve for x
    x = 270,939,536.06/19,601.87
  6. Step 6: Final answer
    x = 13,822.13

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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.