Home / 18,920.43-26,110.20-10,967.27

Finding the Fourth Proportional to 18,920.43, 26,110.20 and 10,967.27

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Solution

The fourth proportional to 18,920.43, 26,110.20 and 10,967.27 is: 15,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.43 : 26,110.20 = 10,967.27 : x
  2. Step 2: Convert to fraction form
    18,920.43/26,110.20 = 10,967.27/x
  3. Step 3: Cross multiply
    18,920.43x = 26,110.20 × 10,967.27
  4. Step 4: Simplify right side
    18,920.43x = 286,357,539.39
  5. Step 5: Solve for x
    x = 286,357,539.39/18,920.43
  6. Step 6: Final answer
    x = 15,134.83

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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.