Home / 18,947.91-26,147.76-10,450.82

Finding the Fourth Proportional to 18,947.91, 26,147.76 and 10,450.82

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Solution

The fourth proportional to 18,947.91, 26,147.76 and 10,450.82 is: 14,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.91 : 26,147.76 = 10,450.82 : x
  2. Step 2: Convert to fraction form
    18,947.91/26,147.76 = 10,450.82/x
  3. Step 3: Cross multiply
    18,947.91x = 26,147.76 × 10,450.82
  4. Step 4: Simplify right side
    18,947.91x = 273,265,402.42
  5. Step 5: Solve for x
    x = 273,265,402.42/18,947.91
  6. Step 6: Final answer
    x = 14,421.93

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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.