Home / 17,638.30-24,341.74-9,680.46

Finding the Fourth Proportional to 17,638.30, 24,341.74 and 9,680.46

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Solution

The fourth proportional to 17,638.30, 24,341.74 and 9,680.46 is: 13,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.30 : 24,341.74 = 9,680.46 : x
  2. Step 2: Convert to fraction form
    17,638.30/24,341.74 = 9,680.46/x
  3. Step 3: Cross multiply
    17,638.30x = 24,341.74 × 9,680.46
  4. Step 4: Simplify right side
    17,638.30x = 235,639,240.40
  5. Step 5: Solve for x
    x = 235,639,240.40/17,638.30
  6. Step 6: Final answer
    x = 13,359.52

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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.