Home / 18,772.86-25,768.53-16,600.80

Finding the Fourth Proportional to 18,772.86, 25,768.53 and 16,600.80

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Solution

The fourth proportional to 18,772.86, 25,768.53 and 16,600.80 is: 22,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.86 : 25,768.53 = 16,600.80 : x
  2. Step 2: Convert to fraction form
    18,772.86/25,768.53 = 16,600.80/x
  3. Step 3: Cross multiply
    18,772.86x = 25,768.53 × 16,600.80
  4. Step 4: Simplify right side
    18,772.86x = 427,778,164.51
  5. Step 5: Solve for x
    x = 427,778,164.51/18,772.86
  6. Step 6: Final answer
    x = 22,787.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.