Home / 25,556.71-38,335.26-8,916.68

Finding the Fourth Proportional to 25,556.71, 38,335.26 and 8,916.68

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Solution

The fourth proportional to 25,556.71, 38,335.26 and 8,916.68 is: 13,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.71 : 38,335.26 = 8,916.68 : x
  2. Step 2: Convert to fraction form
    25,556.71/38,335.26 = 8,916.68/x
  3. Step 3: Cross multiply
    25,556.71x = 38,335.26 × 8,916.68
  4. Step 4: Simplify right side
    25,556.71x = 341,823,009.88
  5. Step 5: Solve for x
    x = 341,823,009.88/25,556.71
  6. Step 6: Final answer
    x = 13,375.08

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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.