Home / 18,750.37-25,876.19-11,202.49

Finding the Fourth Proportional to 18,750.37, 25,876.19 and 11,202.49

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Solution

The fourth proportional to 18,750.37, 25,876.19 and 11,202.49 is: 15,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.37 : 25,876.19 = 11,202.49 : x
  2. Step 2: Convert to fraction form
    18,750.37/25,876.19 = 11,202.49/x
  3. Step 3: Cross multiply
    18,750.37x = 25,876.19 × 11,202.49
  4. Step 4: Simplify right side
    18,750.37x = 289,877,759.71
  5. Step 5: Solve for x
    x = 289,877,759.71/18,750.37
  6. Step 6: Final answer
    x = 15,459.84

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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.