Home / 18,910.07-26,099.06-10,957.13

Finding the Fourth Proportional to 18,910.07, 26,099.06 and 10,957.13

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Solution

The fourth proportional to 18,910.07, 26,099.06 and 10,957.13 is: 15,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.07 : 26,099.06 = 10,957.13 : x
  2. Step 2: Convert to fraction form
    18,910.07/26,099.06 = 10,957.13/x
  3. Step 3: Cross multiply
    18,910.07x = 26,099.06 × 10,957.13
  4. Step 4: Simplify right side
    18,910.07x = 285,970,608.02
  5. Step 5: Solve for x
    x = 285,970,608.02/18,910.07
  6. Step 6: Final answer
    x = 15,122.67

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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.