Home / 19,415.49-26,791.86-10,916.02

Finding the Fourth Proportional to 19,415.49, 26,791.86 and 10,916.02

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Solution

The fourth proportional to 19,415.49, 26,791.86 and 10,916.02 is: 15,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.49 : 26,791.86 = 10,916.02 : x
  2. Step 2: Convert to fraction form
    19,415.49/26,791.86 = 10,916.02/x
  3. Step 3: Cross multiply
    19,415.49x = 26,791.86 × 10,916.02
  4. Step 4: Simplify right side
    19,415.49x = 292,460,479.60
  5. Step 5: Solve for x
    x = 292,460,479.60/19,415.49
  6. Step 6: Final answer
    x = 15,063.26

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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.