Home / 20,462.49-28,115.87-16,263.45

Finding the Fourth Proportional to 20,462.49, 28,115.87 and 16,263.45

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Solution

The fourth proportional to 20,462.49, 28,115.87 and 16,263.45 is: 22,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.49 : 28,115.87 = 16,263.45 : x
  2. Step 2: Convert to fraction form
    20,462.49/28,115.87 = 16,263.45/x
  3. Step 3: Cross multiply
    20,462.49x = 28,115.87 × 16,263.45
  4. Step 4: Simplify right side
    20,462.49x = 457,260,964.63
  5. Step 5: Solve for x
    x = 457,260,964.63/20,462.49
  6. Step 6: Final answer
    x = 22,346.30

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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.