Home / 18,575.32-25,627.72-10,611.91

Finding the Fourth Proportional to 18,575.32, 25,627.72 and 10,611.91

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Solution

The fourth proportional to 18,575.32, 25,627.72 and 10,611.91 is: 14,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.32 : 25,627.72 = 10,611.91 : x
  2. Step 2: Convert to fraction form
    18,575.32/25,627.72 = 10,611.91/x
  3. Step 3: Cross multiply
    18,575.32x = 25,627.72 × 10,611.91
  4. Step 4: Simplify right side
    18,575.32x = 271,959,058.15
  5. Step 5: Solve for x
    x = 271,959,058.15/18,575.32
  6. Step 6: Final answer
    x = 14,640.88

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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.