Home / 18,636.16-25,718.72-10,252.96

Finding the Fourth Proportional to 18,636.16, 25,718.72 and 10,252.96

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Solution

The fourth proportional to 18,636.16, 25,718.72 and 10,252.96 is: 14,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.16 : 25,718.72 = 10,252.96 : x
  2. Step 2: Convert to fraction form
    18,636.16/25,718.72 = 10,252.96/x
  3. Step 3: Cross multiply
    18,636.16x = 25,718.72 × 10,252.96
  4. Step 4: Simplify right side
    18,636.16x = 263,693,007.41
  5. Step 5: Solve for x
    x = 263,693,007.41/18,636.16
  6. Step 6: Final answer
    x = 14,149.54

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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.