Home / 19,169.13-26,451.59-10,785.09

Finding the Fourth Proportional to 19,169.13, 26,451.59 and 10,785.09

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Solution

The fourth proportional to 19,169.13, 26,451.59 and 10,785.09 is: 14,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.13 : 26,451.59 = 10,785.09 : x
  2. Step 2: Convert to fraction form
    19,169.13/26,451.59 = 10,785.09/x
  3. Step 3: Cross multiply
    19,169.13x = 26,451.59 × 10,785.09
  4. Step 4: Simplify right side
    19,169.13x = 285,282,724.87
  5. Step 5: Solve for x
    x = 285,282,724.87/19,169.13
  6. Step 6: Final answer
    x = 14,882.40

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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.