Home / 12,003.24-18,014.04-5,434.04

Finding the Fourth Proportional to 12,003.24, 18,014.04 and 5,434.04

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Solution

The fourth proportional to 12,003.24, 18,014.04 and 5,434.04 is: 8,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.24 : 18,014.04 = 5,434.04 : x
  2. Step 2: Convert to fraction form
    12,003.24/18,014.04 = 5,434.04/x
  3. Step 3: Cross multiply
    12,003.24x = 18,014.04 × 5,434.04
  4. Step 4: Simplify right side
    12,003.24x = 97,889,013.92
  5. Step 5: Solve for x
    x = 97,889,013.92/12,003.24
  6. Step 6: Final answer
    x = 8,155.22

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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.