Home / 20,579.14-28,373.40-16,798.46

Finding the Fourth Proportional to 20,579.14, 28,373.40 and 16,798.46

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Solution

The fourth proportional to 20,579.14, 28,373.40 and 16,798.46 is: 23,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.14 : 28,373.40 = 16,798.46 : x
  2. Step 2: Convert to fraction form
    20,579.14/28,373.40 = 16,798.46/x
  3. Step 3: Cross multiply
    20,579.14x = 28,373.40 × 16,798.46
  4. Step 4: Simplify right side
    20,579.14x = 476,629,424.96
  5. Step 5: Solve for x
    x = 476,629,424.96/20,579.14
  6. Step 6: Final answer
    x = 23,160.80

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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.