Home / 27,806.14-38,390.16-18,262.96

Finding the Fourth Proportional to 27,806.14, 38,390.16 and 18,262.96

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Solution

The fourth proportional to 27,806.14, 38,390.16 and 18,262.96 is: 25,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.14 : 38,390.16 = 18,262.96 : x
  2. Step 2: Convert to fraction form
    27,806.14/38,390.16 = 18,262.96/x
  3. Step 3: Cross multiply
    27,806.14x = 38,390.16 × 18,262.96
  4. Step 4: Simplify right side
    27,806.14x = 701,117,956.47
  5. Step 5: Solve for x
    x = 701,117,956.47/27,806.14
  6. Step 6: Final answer
    x = 25,214.50

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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.