Home / 20,166.76-30,114.20-16,476.28

Finding the Fourth Proportional to 20,166.76, 30,114.20 and 16,476.28

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Solution

The fourth proportional to 20,166.76, 30,114.20 and 16,476.28 is: 24,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.76 : 30,114.20 = 16,476.28 : x
  2. Step 2: Convert to fraction form
    20,166.76/30,114.20 = 16,476.28/x
  3. Step 3: Cross multiply
    20,166.76x = 30,114.20 × 16,476.28
  4. Step 4: Simplify right side
    20,166.76x = 496,169,991.18
  5. Step 5: Solve for x
    x = 496,169,991.18/20,166.76
  6. Step 6: Final answer
    x = 24,603.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.