Home / 18,636.20-25,717.98-10,252.72

Finding the Fourth Proportional to 18,636.20, 25,717.98 and 10,252.72

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Solution

The fourth proportional to 18,636.20, 25,717.98 and 10,252.72 is: 14,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.20 : 25,717.98 = 10,252.72 : x
  2. Step 2: Convert to fraction form
    18,636.20/25,717.98 = 10,252.72/x
  3. Step 3: Cross multiply
    18,636.20x = 25,717.98 × 10,252.72
  4. Step 4: Simplify right side
    18,636.20x = 263,679,247.91
  5. Step 5: Solve for x
    x = 263,679,247.91/18,636.20
  6. Step 6: Final answer
    x = 14,148.77

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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.