Home / 18,374.29-25,332.71-11,902.41

Finding the Fourth Proportional to 18,374.29, 25,332.71 and 11,902.41

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Solution

The fourth proportional to 18,374.29, 25,332.71 and 11,902.41 is: 16,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.29 : 25,332.71 = 11,902.41 : x
  2. Step 2: Convert to fraction form
    18,374.29/25,332.71 = 11,902.41/x
  3. Step 3: Cross multiply
    18,374.29x = 25,332.71 × 11,902.41
  4. Step 4: Simplify right side
    18,374.29x = 301,520,241.32
  5. Step 5: Solve for x
    x = 301,520,241.32/18,374.29
  6. Step 6: Final answer
    x = 16,409.90

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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.