Home / 23,138.91-34,711.76-7,338.67

Finding the Fourth Proportional to 23,138.91, 34,711.76 and 7,338.67

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Solution

The fourth proportional to 23,138.91, 34,711.76 and 7,338.67 is: 11,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.91 : 34,711.76 = 7,338.67 : x
  2. Step 2: Convert to fraction form
    23,138.91/34,711.76 = 7,338.67/x
  3. Step 3: Cross multiply
    23,138.91x = 34,711.76 × 7,338.67
  4. Step 4: Simplify right side
    23,138.91x = 254,738,115.07
  5. Step 5: Solve for x
    x = 254,738,115.07/23,138.91
  6. Step 6: Final answer
    x = 11,009.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.