Home / 17,218.36-25,805.88-9,320.56

Finding the Fourth Proportional to 17,218.36, 25,805.88 and 9,320.56

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Solution

The fourth proportional to 17,218.36, 25,805.88 and 9,320.56 is: 13,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.36 : 25,805.88 = 9,320.56 : x
  2. Step 2: Convert to fraction form
    17,218.36/25,805.88 = 9,320.56/x
  3. Step 3: Cross multiply
    17,218.36x = 25,805.88 × 9,320.56
  4. Step 4: Simplify right side
    17,218.36x = 240,525,252.89
  5. Step 5: Solve for x
    x = 240,525,252.89/17,218.36
  6. Step 6: Final answer
    x = 13,969.12

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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.