Home / 19,447.24-29,172.39-9,581.13

Finding the Fourth Proportional to 19,447.24, 29,172.39 and 9,581.13

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Solution

The fourth proportional to 19,447.24, 29,172.39 and 9,581.13 is: 14,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.24 : 29,172.39 = 9,581.13 : x
  2. Step 2: Convert to fraction form
    19,447.24/29,172.39 = 9,581.13/x
  3. Step 3: Cross multiply
    19,447.24x = 29,172.39 × 9,581.13
  4. Step 4: Simplify right side
    19,447.24x = 279,504,461.00
  5. Step 5: Solve for x
    x = 279,504,461.00/19,447.24
  6. Step 6: Final answer
    x = 14,372.45

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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.