Home / 20,084.92-27,717.19-11,133.77

Finding the Fourth Proportional to 20,084.92, 27,717.19 and 11,133.77

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Solution

The fourth proportional to 20,084.92, 27,717.19 and 11,133.77 is: 15,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.92 : 27,717.19 = 11,133.77 : x
  2. Step 2: Convert to fraction form
    20,084.92/27,717.19 = 11,133.77/x
  3. Step 3: Cross multiply
    20,084.92x = 27,717.19 × 11,133.77
  4. Step 4: Simplify right side
    20,084.92x = 308,596,818.51
  5. Step 5: Solve for x
    x = 308,596,818.51/20,084.92
  6. Step 6: Final answer
    x = 15,364.60

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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.