Home / 18,072.32-24,940.56-11,174.98

Finding the Fourth Proportional to 18,072.32, 24,940.56 and 11,174.98

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Solution

The fourth proportional to 18,072.32, 24,940.56 and 11,174.98 is: 15,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.32 : 24,940.56 = 11,174.98 : x
  2. Step 2: Convert to fraction form
    18,072.32/24,940.56 = 11,174.98/x
  3. Step 3: Cross multiply
    18,072.32x = 24,940.56 × 11,174.98
  4. Step 4: Simplify right side
    18,072.32x = 278,710,259.19
  5. Step 5: Solve for x
    x = 278,710,259.19/18,072.32
  6. Step 6: Final answer
    x = 15,421.94

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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.