Home / 19,833.92-27,363.28-12,664.12

Finding the Fourth Proportional to 19,833.92, 27,363.28 and 12,664.12

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Solution

The fourth proportional to 19,833.92, 27,363.28 and 12,664.12 is: 17,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.92 : 27,363.28 = 12,664.12 : x
  2. Step 2: Convert to fraction form
    19,833.92/27,363.28 = 12,664.12/x
  3. Step 3: Cross multiply
    19,833.92x = 27,363.28 × 12,664.12
  4. Step 4: Simplify right side
    19,833.92x = 346,531,861.51
  5. Step 5: Solve for x
    x = 346,531,861.51/19,833.92
  6. Step 6: Final answer
    x = 17,471.68

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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.