Home / 19,831.08-27,366.44-10,878.42

Finding the Fourth Proportional to 19,831.08, 27,366.44 and 10,878.42

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Solution

The fourth proportional to 19,831.08, 27,366.44 and 10,878.42 is: 15,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.08 : 27,366.44 = 10,878.42 : x
  2. Step 2: Convert to fraction form
    19,831.08/27,366.44 = 10,878.42/x
  3. Step 3: Cross multiply
    19,831.08x = 27,366.44 × 10,878.42
  4. Step 4: Simplify right side
    19,831.08x = 297,703,628.22
  5. Step 5: Solve for x
    x = 297,703,628.22/19,831.08
  6. Step 6: Final answer
    x = 15,011.97

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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.