Home / 20,922.45-31,370.03-7,592.93

Finding the Fourth Proportional to 20,922.45, 31,370.03 and 7,592.93

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Solution

The fourth proportional to 20,922.45, 31,370.03 and 7,592.93 is: 11,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922.45 : 31,370.03 = 7,592.93 : x
  2. Step 2: Convert to fraction form
    20,922.45/31,370.03 = 7,592.93/x
  3. Step 3: Cross multiply
    20,922.45x = 31,370.03 × 7,592.93
  4. Step 4: Simplify right side
    20,922.45x = 238,190,343.73
  5. Step 5: Solve for x
    x = 238,190,343.73/20,922.45
  6. Step 6: Final answer
    x = 11,384.44

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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.