Home / 16,464.36-22,724.28-15,135.96

Finding the Fourth Proportional to 16,464.36, 22,724.28 and 15,135.96

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Solution

The fourth proportional to 16,464.36, 22,724.28 and 15,135.96 is: 20,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.36 : 22,724.28 = 15,135.96 : x
  2. Step 2: Convert to fraction form
    16,464.36/22,724.28 = 15,135.96/x
  3. Step 3: Cross multiply
    16,464.36x = 22,724.28 × 15,135.96
  4. Step 4: Simplify right side
    16,464.36x = 343,953,793.11
  5. Step 5: Solve for x
    x = 343,953,793.11/16,464.36
  6. Step 6: Final answer
    x = 20,890.81

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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.