Home / 18,133.92-27,192.36-9,811.77

Finding the Fourth Proportional to 18,133.92, 27,192.36 and 9,811.77

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Solution

The fourth proportional to 18,133.92, 27,192.36 and 9,811.77 is: 14,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.92 : 27,192.36 = 9,811.77 : x
  2. Step 2: Convert to fraction form
    18,133.92/27,192.36 = 9,811.77/x
  3. Step 3: Cross multiply
    18,133.92x = 27,192.36 × 9,811.77
  4. Step 4: Simplify right side
    18,133.92x = 266,805,182.08
  5. Step 5: Solve for x
    x = 266,805,182.08/18,133.92
  6. Step 6: Final answer
    x = 14,713.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.