Home / 18,865.57-26,035.61-10,910.56

Finding the Fourth Proportional to 18,865.57, 26,035.61 and 10,910.56

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Solution

The fourth proportional to 18,865.57, 26,035.61 and 10,910.56 is: 15,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.57 : 26,035.61 = 10,910.56 : x
  2. Step 2: Convert to fraction form
    18,865.57/26,035.61 = 10,910.56/x
  3. Step 3: Cross multiply
    18,865.57x = 26,035.61 × 10,910.56
  4. Step 4: Simplify right side
    18,865.57x = 284,063,085.04
  5. Step 5: Solve for x
    x = 284,063,085.04/18,865.57
  6. Step 6: Final answer
    x = 15,057.22

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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.