Home / 18,045.11-24,902.28-10,087.34

Finding the Fourth Proportional to 18,045.11, 24,902.28 and 10,087.34

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Solution

The fourth proportional to 18,045.11, 24,902.28 and 10,087.34 is: 13,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.11 : 24,902.28 = 10,087.34 : x
  2. Step 2: Convert to fraction form
    18,045.11/24,902.28 = 10,087.34/x
  3. Step 3: Cross multiply
    18,045.11x = 24,902.28 × 10,087.34
  4. Step 4: Simplify right side
    18,045.11x = 251,197,640.62
  5. Step 5: Solve for x
    x = 251,197,640.62/18,045.11
  6. Step 6: Final answer
    x = 13,920.54

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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.