Home / 20,792.02-31,187.76-6,941.02

Finding the Fourth Proportional to 20,792.02, 31,187.76 and 6,941.02

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Solution

The fourth proportional to 20,792.02, 31,187.76 and 6,941.02 is: 10,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.02 : 31,187.76 = 6,941.02 : x
  2. Step 2: Convert to fraction form
    20,792.02/31,187.76 = 6,941.02/x
  3. Step 3: Cross multiply
    20,792.02x = 31,187.76 × 6,941.02
  4. Step 4: Simplify right side
    20,792.02x = 216,474,865.92
  5. Step 5: Solve for x
    x = 216,474,865.92/20,792.02
  6. Step 6: Final answer
    x = 10,411.44

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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.