Home / 12,013.64-18,024.20-4,116.36

Finding the Fourth Proportional to 12,013.64, 18,024.20 and 4,116.36

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Solution

The fourth proportional to 12,013.64, 18,024.20 and 4,116.36 is: 6,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.64 : 18,024.20 = 4,116.36 : x
  2. Step 2: Convert to fraction form
    12,013.64/18,024.20 = 4,116.36/x
  3. Step 3: Cross multiply
    12,013.64x = 18,024.20 × 4,116.36
  4. Step 4: Simplify right side
    12,013.64x = 74,194,095.91
  5. Step 5: Solve for x
    x = 74,194,095.91/12,013.64
  6. Step 6: Final answer
    x = 6,175.82

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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.