Home / 15,699.10-23,556.73-8,677.81

Finding the Fourth Proportional to 15,699.10, 23,556.73 and 8,677.81

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Solution

The fourth proportional to 15,699.10, 23,556.73 and 8,677.81 is: 13,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.10 : 23,556.73 = 8,677.81 : x
  2. Step 2: Convert to fraction form
    15,699.10/23,556.73 = 8,677.81/x
  3. Step 3: Cross multiply
    15,699.10x = 23,556.73 × 8,677.81
  4. Step 4: Simplify right side
    15,699.10x = 204,420,746.57
  5. Step 5: Solve for x
    x = 204,420,746.57/15,699.10
  6. Step 6: Final answer
    x = 13,021.18

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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.