Home / 25,556.60-38,335.04-8,916.56

Finding the Fourth Proportional to 25,556.60, 38,335.04 and 8,916.56

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Solution

The fourth proportional to 25,556.60, 38,335.04 and 8,916.56 is: 13,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.60 : 38,335.04 = 8,916.56 : x
  2. Step 2: Convert to fraction form
    25,556.60/38,335.04 = 8,916.56/x
  3. Step 3: Cross multiply
    25,556.60x = 38,335.04 × 8,916.56
  4. Step 4: Simplify right side
    25,556.60x = 341,816,684.26
  5. Step 5: Solve for x
    x = 341,816,684.26/25,556.60
  6. Step 6: Final answer
    x = 13,374.89

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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.