Home / 12,372.04-18,558.06-10,174.11

Finding the Fourth Proportional to 12,372.04, 18,558.06 and 10,174.11

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Solution

The fourth proportional to 12,372.04, 18,558.06 and 10,174.11 is: 15,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.04 : 18,558.06 = 10,174.11 : x
  2. Step 2: Convert to fraction form
    12,372.04/18,558.06 = 10,174.11/x
  3. Step 3: Cross multiply
    12,372.04x = 18,558.06 × 10,174.11
  4. Step 4: Simplify right side
    12,372.04x = 188,811,743.83
  5. Step 5: Solve for x
    x = 188,811,743.83/12,372.04
  6. Step 6: Final answer
    x = 15,261.17

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Similar ratio
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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.