Home / 18,436.17-25,439.76-14,668.86

Finding the Fourth Proportional to 18,436.17, 25,439.76 and 14,668.86

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Solution

The fourth proportional to 18,436.17, 25,439.76 and 14,668.86 is: 20,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.17 : 25,439.76 = 14,668.86 : x
  2. Step 2: Convert to fraction form
    18,436.17/25,439.76 = 14,668.86/x
  3. Step 3: Cross multiply
    18,436.17x = 25,439.76 × 14,668.86
  4. Step 4: Simplify right side
    18,436.17x = 373,172,277.87
  5. Step 5: Solve for x
    x = 373,172,277.87/18,436.17
  6. Step 6: Final answer
    x = 20,241.31

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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.