Home / 18,116.37-24,989.09-13,087.98

Finding the Fourth Proportional to 18,116.37, 24,989.09 and 13,087.98

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Solution

The fourth proportional to 18,116.37, 24,989.09 and 13,087.98 is: 18,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.37 : 24,989.09 = 13,087.98 : x
  2. Step 2: Convert to fraction form
    18,116.37/24,989.09 = 13,087.98/x
  3. Step 3: Cross multiply
    18,116.37x = 24,989.09 × 13,087.98
  4. Step 4: Simplify right side
    18,116.37x = 327,056,644.70
  5. Step 5: Solve for x
    x = 327,056,644.70/18,116.37
  6. Step 6: Final answer
    x = 18,053.10

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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.