Home / 15,982.24-22,053.48-8,907.76

Finding the Fourth Proportional to 15,982.24, 22,053.48 and 8,907.76

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Solution

The fourth proportional to 15,982.24, 22,053.48 and 8,907.76 is: 12,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.24 : 22,053.48 = 8,907.76 : x
  2. Step 2: Convert to fraction form
    15,982.24/22,053.48 = 8,907.76/x
  3. Step 3: Cross multiply
    15,982.24x = 22,053.48 × 8,907.76
  4. Step 4: Simplify right side
    15,982.24x = 196,447,107.00
  5. Step 5: Solve for x
    x = 196,447,107.00/15,982.24
  6. Step 6: Final answer
    x = 12,291.59

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1.5x scale

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.