Home / 18,367.08-25,347.11-10,409.04

Finding the Fourth Proportional to 18,367.08, 25,347.11 and 10,409.04

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Solution

The fourth proportional to 18,367.08, 25,347.11 and 10,409.04 is: 14,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.08 : 25,347.11 = 10,409.04 : x
  2. Step 2: Convert to fraction form
    18,367.08/25,347.11 = 10,409.04/x
  3. Step 3: Cross multiply
    18,367.08x = 25,347.11 × 10,409.04
  4. Step 4: Simplify right side
    18,367.08x = 263,839,029.83
  5. Step 5: Solve for x
    x = 263,839,029.83/18,367.08
  6. Step 6: Final answer
    x = 14,364.78

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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.