Home / 17,218.12-23,760.28-9,665.08

Finding the Fourth Proportional to 17,218.12, 23,760.28 and 9,665.08

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Solution

The fourth proportional to 17,218.12, 23,760.28 and 9,665.08 is: 13,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.12 : 23,760.28 = 9,665.08 : x
  2. Step 2: Convert to fraction form
    17,218.12/23,760.28 = 9,665.08/x
  3. Step 3: Cross multiply
    17,218.12x = 23,760.28 × 9,665.08
  4. Step 4: Simplify right side
    17,218.12x = 229,645,007.02
  5. Step 5: Solve for x
    x = 229,645,007.02/17,218.12
  6. Step 6: Final answer
    x = 13,337.40

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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.