Home / 19,813.44-29,715.38-5,769.66

Finding the Fourth Proportional to 19,813.44, 29,715.38 and 5,769.66

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Solution

The fourth proportional to 19,813.44, 29,715.38 and 5,769.66 is: 8,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.44 : 29,715.38 = 5,769.66 : x
  2. Step 2: Convert to fraction form
    19,813.44/29,715.38 = 5,769.66/x
  3. Step 3: Cross multiply
    19,813.44x = 29,715.38 × 5,769.66
  4. Step 4: Simplify right side
    19,813.44x = 171,447,639.37
  5. Step 5: Solve for x
    x = 171,447,639.37/19,813.44
  6. Step 6: Final answer
    x = 8,653.10

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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.