Home / 18,982.71-26,199.57-11,326.48

Finding the Fourth Proportional to 18,982.71, 26,199.57 and 11,326.48

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Solution

The fourth proportional to 18,982.71, 26,199.57 and 11,326.48 is: 15,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.71 : 26,199.57 = 11,326.48 : x
  2. Step 2: Convert to fraction form
    18,982.71/26,199.57 = 11,326.48/x
  3. Step 3: Cross multiply
    18,982.71x = 26,199.57 × 11,326.48
  4. Step 4: Simplify right side
    18,982.71x = 296,748,905.61
  5. Step 5: Solve for x
    x = 296,748,905.61/18,982.71
  6. Step 6: Final answer
    x = 15,632.59

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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.