Home / 19,583.43-29,329.56-9,690.90

Finding the Fourth Proportional to 19,583.43, 29,329.56 and 9,690.90

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Solution

The fourth proportional to 19,583.43, 29,329.56 and 9,690.90 is: 14,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.43 : 29,329.56 = 9,690.90 : x
  2. Step 2: Convert to fraction form
    19,583.43/29,329.56 = 9,690.90/x
  3. Step 3: Cross multiply
    19,583.43x = 29,329.56 × 9,690.90
  4. Step 4: Simplify right side
    19,583.43x = 284,229,833.00
  5. Step 5: Solve for x
    x = 284,229,833.00/19,583.43
  6. Step 6: Final answer
    x = 14,513.79

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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.