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Finding the Fourth Proportional to 18,012.66, 24,855 and 10,053.86

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Solution

The fourth proportional to 18,012.66, 24,855 and 10,053.86 is: 13,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.66 : 24,855 = 10,053.86 : x
  2. Step 2: Convert to fraction form
    18,012.66/24,855 = 10,053.86/x
  3. Step 3: Cross multiply
    18,012.66x = 24,855 × 10,053.86
  4. Step 4: Simplify right side
    18,012.66x = 249,888,690.30
  5. Step 5: Solve for x
    x = 249,888,690.30/18,012.66
  6. Step 6: Final answer
    x = 13,872.95

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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.