Home / 10,342.66-15,513.78-2,551.54

Finding the Fourth Proportional to 10,342.66, 15,513.78 and 2,551.54

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Solution

The fourth proportional to 10,342.66, 15,513.78 and 2,551.54 is: 3,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.66 : 15,513.78 = 2,551.54 : x
  2. Step 2: Convert to fraction form
    10,342.66/15,513.78 = 2,551.54/x
  3. Step 3: Cross multiply
    10,342.66x = 15,513.78 × 2,551.54
  4. Step 4: Simplify right side
    10,342.66x = 39,584,030.22
  5. Step 5: Solve for x
    x = 39,584,030.22/10,342.66
  6. Step 6: Final answer
    x = 3,827.26

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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.