Home / 20,333.14-28,062.24-12,376.51

Finding the Fourth Proportional to 20,333.14, 28,062.24 and 12,376.51

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Solution

The fourth proportional to 20,333.14, 28,062.24 and 12,376.51 is: 17,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.14 : 28,062.24 = 12,376.51 : x
  2. Step 2: Convert to fraction form
    20,333.14/28,062.24 = 12,376.51/x
  3. Step 3: Cross multiply
    20,333.14x = 28,062.24 × 12,376.51
  4. Step 4: Simplify right side
    20,333.14x = 347,312,593.98
  5. Step 5: Solve for x
    x = 347,312,593.98/20,333.14
  6. Step 6: Final answer
    x = 17,081.11

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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.