Home / 19,806.22-27,333.29-10,853.74

Finding the Fourth Proportional to 19,806.22, 27,333.29 and 10,853.74

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Solution

The fourth proportional to 19,806.22, 27,333.29 and 10,853.74 is: 14,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.22 : 27,333.29 = 10,853.74 : x
  2. Step 2: Convert to fraction form
    19,806.22/27,333.29 = 10,853.74/x
  3. Step 3: Cross multiply
    19,806.22x = 27,333.29 × 10,853.74
  4. Step 4: Simplify right side
    19,806.22x = 296,668,232.07
  5. Step 5: Solve for x
    x = 296,668,232.07/19,806.22
  6. Step 6: Final answer
    x = 14,978.54

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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.