Home / 19,508.78-26,921.93-10,556.10

Finding the Fourth Proportional to 19,508.78, 26,921.93 and 10,556.10

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Solution

The fourth proportional to 19,508.78, 26,921.93 and 10,556.10 is: 14,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.78 : 26,921.93 = 10,556.10 : x
  2. Step 2: Convert to fraction form
    19,508.78/26,921.93 = 10,556.10/x
  3. Step 3: Cross multiply
    19,508.78x = 26,921.93 × 10,556.10
  4. Step 4: Simplify right side
    19,508.78x = 284,190,532.49
  5. Step 5: Solve for x
    x = 284,190,532.49/19,508.78
  6. Step 6: Final answer
    x = 14,567.31

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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.