Home / 18,269.01-25,212.36-10,311.98

Finding the Fourth Proportional to 18,269.01, 25,212.36 and 10,311.98

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Solution

The fourth proportional to 18,269.01, 25,212.36 and 10,311.98 is: 14,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.01 : 25,212.36 = 10,311.98 : x
  2. Step 2: Convert to fraction form
    18,269.01/25,212.36 = 10,311.98/x
  3. Step 3: Cross multiply
    18,269.01x = 25,212.36 × 10,311.98
  4. Step 4: Simplify right side
    18,269.01x = 259,989,264.68
  5. Step 5: Solve for x
    x = 259,989,264.68/18,269.01
  6. Step 6: Final answer
    x = 14,231.16

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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.