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Finding the Fourth Proportional to 18,167.96, 25,072.12 and 10,210.16

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Solution

The fourth proportional to 18,167.96, 25,072.12 and 10,210.16 is: 14,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.96 : 25,072.12 = 10,210.16 : x
  2. Step 2: Convert to fraction form
    18,167.96/25,072.12 = 10,210.16/x
  3. Step 3: Cross multiply
    18,167.96x = 25,072.12 × 10,210.16
  4. Step 4: Simplify right side
    18,167.96x = 255,990,356.74
  5. Step 5: Solve for x
    x = 255,990,356.74/18,167.96
  6. Step 6: Final answer
    x = 14,090.21

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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.