Home / 17,727.79-24,470.62-15,836.09

Finding the Fourth Proportional to 17,727.79, 24,470.62 and 15,836.09

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Solution

The fourth proportional to 17,727.79, 24,470.62 and 15,836.09 is: 21,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.79 : 24,470.62 = 15,836.09 : x
  2. Step 2: Convert to fraction form
    17,727.79/24,470.62 = 15,836.09/x
  3. Step 3: Cross multiply
    17,727.79x = 24,470.62 × 15,836.09
  4. Step 4: Simplify right side
    17,727.79x = 387,518,991.06
  5. Step 5: Solve for x
    x = 387,518,991.06/17,727.79
  6. Step 6: Final answer
    x = 21,859.40

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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.