Home / 20,706.02-31,034.72-10,849.94

Finding the Fourth Proportional to 20,706.02, 31,034.72 and 10,849.94

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Solution

The fourth proportional to 20,706.02, 31,034.72 and 10,849.94 is: 16,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706.02 : 31,034.72 = 10,849.94 : x
  2. Step 2: Convert to fraction form
    20,706.02/31,034.72 = 10,849.94/x
  3. Step 3: Cross multiply
    20,706.02x = 31,034.72 × 10,849.94
  4. Step 4: Simplify right side
    20,706.02x = 336,724,721.87
  5. Step 5: Solve for x
    x = 336,724,721.87/20,706.02
  6. Step 6: Final answer
    x = 16,262.17

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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.