Home / 15,977.48-23,966.21-4,290.69

Finding the Fourth Proportional to 15,977.48, 23,966.21 and 4,290.69

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Solution

The fourth proportional to 15,977.48, 23,966.21 and 4,290.69 is: 6,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.48 : 23,966.21 = 4,290.69 : x
  2. Step 2: Convert to fraction form
    15,977.48/23,966.21 = 4,290.69/x
  3. Step 3: Cross multiply
    15,977.48x = 23,966.21 × 4,290.69
  4. Step 4: Simplify right side
    15,977.48x = 102,831,556.13
  5. Step 5: Solve for x
    x = 102,831,556.13/15,977.48
  6. Step 6: Final answer
    x = 6,436.03

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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.