Home / 18,558.72-25,611.48-10,175.28

Finding the Fourth Proportional to 18,558.72, 25,611.48 and 10,175.28

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Solution

The fourth proportional to 18,558.72, 25,611.48 and 10,175.28 is: 14,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.72 : 25,611.48 = 10,175.28 : x
  2. Step 2: Convert to fraction form
    18,558.72/25,611.48 = 10,175.28/x
  3. Step 3: Cross multiply
    18,558.72x = 25,611.48 × 10,175.28
  4. Step 4: Simplify right side
    18,558.72x = 260,603,980.21
  5. Step 5: Solve for x
    x = 260,603,980.21/18,558.72
  6. Step 6: Final answer
    x = 14,042.13

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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.