Home / 15,820.38-23,712.12-8,797.03

Finding the Fourth Proportional to 15,820.38, 23,712.12 and 8,797.03

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Solution

The fourth proportional to 15,820.38, 23,712.12 and 8,797.03 is: 13,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.38 : 23,712.12 = 8,797.03 : x
  2. Step 2: Convert to fraction form
    15,820.38/23,712.12 = 8,797.03/x
  3. Step 3: Cross multiply
    15,820.38x = 23,712.12 × 8,797.03
  4. Step 4: Simplify right side
    15,820.38x = 208,596,171.72
  5. Step 5: Solve for x
    x = 208,596,171.72/15,820.38
  6. Step 6: Final answer
    x = 13,185.28

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1.5x scale

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.