Home / 18,587.46-25,649.82-10,089.39

Finding the Fourth Proportional to 18,587.46, 25,649.82 and 10,089.39

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Solution

The fourth proportional to 18,587.46, 25,649.82 and 10,089.39 is: 13,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.46 : 25,649.82 = 10,089.39 : x
  2. Step 2: Convert to fraction form
    18,587.46/25,649.82 = 10,089.39/x
  3. Step 3: Cross multiply
    18,587.46x = 25,649.82 × 10,089.39
  4. Step 4: Simplify right side
    18,587.46x = 258,791,037.41
  5. Step 5: Solve for x
    x = 258,791,037.41/18,587.46
  6. Step 6: Final answer
    x = 13,922.88

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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.