Home / 19,833.43-27,362.58-12,663.61

Finding the Fourth Proportional to 19,833.43, 27,362.58 and 12,663.61

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Solution

The fourth proportional to 19,833.43, 27,362.58 and 12,663.61 is: 17,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.43 : 27,362.58 = 12,663.61 : x
  2. Step 2: Convert to fraction form
    19,833.43/27,362.58 = 12,663.61/x
  3. Step 3: Cross multiply
    19,833.43x = 27,362.58 × 12,663.61
  4. Step 4: Simplify right side
    19,833.43x = 346,508,904.90
  5. Step 5: Solve for x
    x = 346,508,904.90/19,833.43
  6. Step 6: Final answer
    x = 17,470.96

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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.