Home / 18,868.62-26,038.56-10,910.67

Finding the Fourth Proportional to 18,868.62, 26,038.56 and 10,910.67

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Solution

The fourth proportional to 18,868.62, 26,038.56 and 10,910.67 is: 15,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.62 : 26,038.56 = 10,910.67 : x
  2. Step 2: Convert to fraction form
    18,868.62/26,038.56 = 10,910.67/x
  3. Step 3: Cross multiply
    18,868.62x = 26,038.56 × 10,910.67
  4. Step 4: Simplify right side
    18,868.62x = 284,098,135.44
  5. Step 5: Solve for x
    x = 284,098,135.44/18,868.62
  6. Step 6: Final answer
    x = 15,056.65

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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.