Home / 13,192.40-18,190.92-9,002.96

Finding the Fourth Proportional to 13,192.40, 18,190.92 and 9,002.96

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Solution

The fourth proportional to 13,192.40, 18,190.92 and 9,002.96 is: 12,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.40 : 18,190.92 = 9,002.96 : x
  2. Step 2: Convert to fraction form
    13,192.40/18,190.92 = 9,002.96/x
  3. Step 3: Cross multiply
    13,192.40x = 18,190.92 × 9,002.96
  4. Step 4: Simplify right side
    13,192.40x = 163,772,125.12
  5. Step 5: Solve for x
    x = 163,772,125.12/13,192.40
  6. Step 6: Final answer
    x = 12,414.13

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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.