Home / 12,014.98-18,012.24-7,338.27

Finding the Fourth Proportional to 12,014.98, 18,012.24 and 7,338.27

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Solution

The fourth proportional to 12,014.98, 18,012.24 and 7,338.27 is: 11,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.98 : 18,012.24 = 7,338.27 : x
  2. Step 2: Convert to fraction form
    12,014.98/18,012.24 = 7,338.27/x
  3. Step 3: Cross multiply
    12,014.98x = 18,012.24 × 7,338.27
  4. Step 4: Simplify right side
    12,014.98x = 132,178,674.17
  5. Step 5: Solve for x
    x = 132,178,674.17/12,014.98
  6. Step 6: Final answer
    x = 11,001.16

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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.