Home / 18,118.08-25,002.54-10,050.43

Finding the Fourth Proportional to 18,118.08, 25,002.54 and 10,050.43

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Solution

The fourth proportional to 18,118.08, 25,002.54 and 10,050.43 is: 13,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.08 : 25,002.54 = 10,050.43 : x
  2. Step 2: Convert to fraction form
    18,118.08/25,002.54 = 10,050.43/x
  3. Step 3: Cross multiply
    18,118.08x = 25,002.54 × 10,050.43
  4. Step 4: Simplify right side
    18,118.08x = 251,286,278.09
  5. Step 5: Solve for x
    x = 251,286,278.09/18,118.08
  6. Step 6: Final answer
    x = 13,869.37

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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.