Home / 18,530.58-25,576.18-11,814.66

Finding the Fourth Proportional to 18,530.58, 25,576.18 and 11,814.66

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Solution

The fourth proportional to 18,530.58, 25,576.18 and 11,814.66 is: 16,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.58 : 25,576.18 = 11,814.66 : x
  2. Step 2: Convert to fraction form
    18,530.58/25,576.18 = 11,814.66/x
  3. Step 3: Cross multiply
    18,530.58x = 25,576.18 × 11,814.66
  4. Step 4: Simplify right side
    18,530.58x = 302,173,870.80
  5. Step 5: Solve for x
    x = 302,173,870.80/18,530.58
  6. Step 6: Final answer
    x = 16,306.77

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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.