Home / 20,695.84-31,044.76-5,906.93

Finding the Fourth Proportional to 20,695.84, 31,044.76 and 5,906.93

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Solution

The fourth proportional to 20,695.84, 31,044.76 and 5,906.93 is: 8,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.84 : 31,044.76 = 5,906.93 : x
  2. Step 2: Convert to fraction form
    20,695.84/31,044.76 = 5,906.93/x
  3. Step 3: Cross multiply
    20,695.84x = 31,044.76 × 5,906.93
  4. Step 4: Simplify right side
    20,695.84x = 183,379,054.20
  5. Step 5: Solve for x
    x = 183,379,054.20/20,695.84
  6. Step 6: Final answer
    x = 8,860.67

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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.