Home / 19,601.28-29,406.33-6,453.18

Finding the Fourth Proportional to 19,601.28, 29,406.33 and 6,453.18

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Solution

The fourth proportional to 19,601.28, 29,406.33 and 6,453.18 is: 9,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.28 : 29,406.33 = 6,453.18 : x
  2. Step 2: Convert to fraction form
    19,601.28/29,406.33 = 6,453.18/x
  3. Step 3: Cross multiply
    19,601.28x = 29,406.33 × 6,453.18
  4. Step 4: Simplify right side
    19,601.28x = 189,764,340.63
  5. Step 5: Solve for x
    x = 189,764,340.63/19,601.28
  6. Step 6: Final answer
    x = 9,681.22

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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.