Home / 12,022.18-18,033.27-7,888.35

Finding the Fourth Proportional to 12,022.18, 18,033.27 and 7,888.35

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Solution

The fourth proportional to 12,022.18, 18,033.27 and 7,888.35 is: 11,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.18 : 18,033.27 = 7,888.35 : x
  2. Step 2: Convert to fraction form
    12,022.18/18,033.27 = 7,888.35/x
  3. Step 3: Cross multiply
    12,022.18x = 18,033.27 × 7,888.35
  4. Step 4: Simplify right side
    12,022.18x = 142,252,655.24
  5. Step 5: Solve for x
    x = 142,252,655.24/12,022.18
  6. Step 6: Final answer
    x = 11,832.52

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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.