Home / 18,587.31-25,650.94-10,089.41

Finding the Fourth Proportional to 18,587.31, 25,650.94 and 10,089.41

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Solution

The fourth proportional to 18,587.31, 25,650.94 and 10,089.41 is: 13,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.31 : 25,650.94 = 10,089.41 : x
  2. Step 2: Convert to fraction form
    18,587.31/25,650.94 = 10,089.41/x
  3. Step 3: Cross multiply
    18,587.31x = 25,650.94 × 10,089.41
  4. Step 4: Simplify right side
    18,587.31x = 258,802,671.84
  5. Step 5: Solve for x
    x = 258,802,671.84/18,587.31
  6. Step 6: Final answer
    x = 13,923.63

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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.