Home / 13,851.05-19,097.78-9,605.79

Finding the Fourth Proportional to 13,851.05, 19,097.78 and 9,605.79

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Solution

The fourth proportional to 13,851.05, 19,097.78 and 9,605.79 is: 13,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.05 : 19,097.78 = 9,605.79 : x
  2. Step 2: Convert to fraction form
    13,851.05/19,097.78 = 9,605.79/x
  3. Step 3: Cross multiply
    13,851.05x = 19,097.78 × 9,605.79
  4. Step 4: Simplify right side
    13,851.05x = 183,449,216.12
  5. Step 5: Solve for x
    x = 183,449,216.12/13,851.05
  6. Step 6: Final answer
    x = 13,244.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.