Home / 17,638.21-24,341.12-9,680.94

Finding the Fourth Proportional to 17,638.21, 24,341.12 and 9,680.94

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Solution

The fourth proportional to 17,638.21, 24,341.12 and 9,680.94 is: 13,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.21 : 24,341.12 = 9,680.94 : x
  2. Step 2: Convert to fraction form
    17,638.21/24,341.12 = 9,680.94/x
  3. Step 3: Cross multiply
    17,638.21x = 24,341.12 × 9,680.94
  4. Step 4: Simplify right side
    17,638.21x = 235,644,922.25
  5. Step 5: Solve for x
    x = 235,644,922.25/17,638.21
  6. Step 6: Final answer
    x = 13,359.91

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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.