Home / 17,109.24-25,642.89-9,719.92

Finding the Fourth Proportional to 17,109.24, 25,642.89 and 9,719.92

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Solution

The fourth proportional to 17,109.24, 25,642.89 and 9,719.92 is: 14,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109.24 : 25,642.89 = 9,719.92 : x
  2. Step 2: Convert to fraction form
    17,109.24/25,642.89 = 9,719.92/x
  3. Step 3: Cross multiply
    17,109.24x = 25,642.89 × 9,719.92
  4. Step 4: Simplify right side
    17,109.24x = 249,246,839.37
  5. Step 5: Solve for x
    x = 249,246,839.37/17,109.24
  6. Step 6: Final answer
    x = 14,567.97

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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.