Home / 18,636.39-25,637.45-16,357.86

Finding the Fourth Proportional to 18,636.39, 25,637.45 and 16,357.86

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Solution

The fourth proportional to 18,636.39, 25,637.45 and 16,357.86 is: 22,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.39 : 25,637.45 = 16,357.86 : x
  2. Step 2: Convert to fraction form
    18,636.39/25,637.45 = 16,357.86/x
  3. Step 3: Cross multiply
    18,636.39x = 25,637.45 × 16,357.86
  4. Step 4: Simplify right side
    18,636.39x = 419,373,736.07
  5. Step 5: Solve for x
    x = 419,373,736.07/18,636.39
  6. Step 6: Final answer
    x = 22,502.95

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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.