Home / 22,125.32-30,518.99-13,166.14

Finding the Fourth Proportional to 22,125.32, 30,518.99 and 13,166.14

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Solution

The fourth proportional to 22,125.32, 30,518.99 and 13,166.14 is: 18,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.32 : 30,518.99 = 13,166.14 : x
  2. Step 2: Convert to fraction form
    22,125.32/30,518.99 = 13,166.14/x
  3. Step 3: Cross multiply
    22,125.32x = 30,518.99 × 13,166.14
  4. Step 4: Simplify right side
    22,125.32x = 401,817,175.32
  5. Step 5: Solve for x
    x = 401,817,175.32/22,125.32
  6. Step 6: Final answer
    x = 18,160.97

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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.