Home / 19,235.40-28,853.10-18,166.20

Finding the Fourth Proportional to 19,235.40, 28,853.10 and 18,166.20

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Solution

The fourth proportional to 19,235.40, 28,853.10 and 18,166.20 is: 27,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.40 : 28,853.10 = 18,166.20 : x
  2. Step 2: Convert to fraction form
    19,235.40/28,853.10 = 18,166.20/x
  3. Step 3: Cross multiply
    19,235.40x = 28,853.10 × 18,166.20
  4. Step 4: Simplify right side
    19,235.40x = 524,151,185.22
  5. Step 5: Solve for x
    x = 524,151,185.22/19,235.40
  6. Step 6: Final answer
    x = 27,249.30

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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.