Home / 19,806.09-27,333.06-10,853.61

Finding the Fourth Proportional to 19,806.09, 27,333.06 and 10,853.61

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Solution

The fourth proportional to 19,806.09, 27,333.06 and 10,853.61 is: 14,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.09 : 27,333.06 = 10,853.61 : x
  2. Step 2: Convert to fraction form
    19,806.09/27,333.06 = 10,853.61/x
  3. Step 3: Cross multiply
    19,806.09x = 27,333.06 × 10,853.61
  4. Step 4: Simplify right side
    19,806.09x = 296,662,373.35
  5. Step 5: Solve for x
    x = 296,662,373.35/19,806.09
  6. Step 6: Final answer
    x = 14,978.34

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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.