Home / 17,372.20-23,976.12-9,820.84

Finding the Fourth Proportional to 17,372.20, 23,976.12 and 9,820.84

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Solution

The fourth proportional to 17,372.20, 23,976.12 and 9,820.84 is: 13,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.20 : 23,976.12 = 9,820.84 : x
  2. Step 2: Convert to fraction form
    17,372.20/23,976.12 = 9,820.84/x
  3. Step 3: Cross multiply
    17,372.20x = 23,976.12 × 9,820.84
  4. Step 4: Simplify right side
    17,372.20x = 235,465,638.34
  5. Step 5: Solve for x
    x = 235,465,638.34/17,372.20
  6. Step 6: Final answer
    x = 13,554.16

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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.