Home / 19,816.92-27,343.98-12,264.48

Finding the Fourth Proportional to 19,816.92, 27,343.98 and 12,264.48

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Solution

The fourth proportional to 19,816.92, 27,343.98 and 12,264.48 is: 16,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.92 : 27,343.98 = 12,264.48 : x
  2. Step 2: Convert to fraction form
    19,816.92/27,343.98 = 12,264.48/x
  3. Step 3: Cross multiply
    19,816.92x = 27,343.98 × 12,264.48
  4. Step 4: Simplify right side
    19,816.92x = 335,359,695.83
  5. Step 5: Solve for x
    x = 335,359,695.83/19,816.92
  6. Step 6: Final answer
    x = 16,922.90

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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.