Home / 15,318.35-22,977.45-5,457.99

Finding the Fourth Proportional to 15,318.35, 22,977.45 and 5,457.99

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Solution

The fourth proportional to 15,318.35, 22,977.45 and 5,457.99 is: 8,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.35 : 22,977.45 = 5,457.99 : x
  2. Step 2: Convert to fraction form
    15,318.35/22,977.45 = 5,457.99/x
  3. Step 3: Cross multiply
    15,318.35x = 22,977.45 × 5,457.99
  4. Step 4: Simplify right side
    15,318.35x = 125,410,692.33
  5. Step 5: Solve for x
    x = 125,410,692.33/15,318.35
  6. Step 6: Final answer
    x = 8,186.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.