Home / 20,710.37-28,583.33-11,756.03

Finding the Fourth Proportional to 20,710.37, 28,583.33 and 11,756.03

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Solution

The fourth proportional to 20,710.37, 28,583.33 and 11,756.03 is: 16,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.37 : 28,583.33 = 11,756.03 : x
  2. Step 2: Convert to fraction form
    20,710.37/28,583.33 = 11,756.03/x
  3. Step 3: Cross multiply
    20,710.37x = 28,583.33 × 11,756.03
  4. Step 4: Simplify right side
    20,710.37x = 336,026,283.28
  5. Step 5: Solve for x
    x = 336,026,283.28/20,710.37
  6. Step 6: Final answer
    x = 16,225.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.