Home / 18,686.61-28,058.21-16,082.66

Finding the Fourth Proportional to 18,686.61, 28,058.21 and 16,082.66

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Solution

The fourth proportional to 18,686.61, 28,058.21 and 16,082.66 is: 24,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686.61 : 28,058.21 = 16,082.66 : x
  2. Step 2: Convert to fraction form
    18,686.61/28,058.21 = 16,082.66/x
  3. Step 3: Cross multiply
    18,686.61x = 28,058.21 × 16,082.66
  4. Step 4: Simplify right side
    18,686.61x = 451,250,651.64
  5. Step 5: Solve for x
    x = 451,250,651.64/18,686.61
  6. Step 6: Final answer
    x = 24,148.34

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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.