Home / 18,777.14-28,165.37-7,535.34

Finding the Fourth Proportional to 18,777.14, 28,165.37 and 7,535.34

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Solution

The fourth proportional to 18,777.14, 28,165.37 and 7,535.34 is: 11,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.14 : 28,165.37 = 7,535.34 : x
  2. Step 2: Convert to fraction form
    18,777.14/28,165.37 = 7,535.34/x
  3. Step 3: Cross multiply
    18,777.14x = 28,165.37 × 7,535.34
  4. Step 4: Simplify right side
    18,777.14x = 212,235,511.86
  5. Step 5: Solve for x
    x = 212,235,511.86/18,777.14
  6. Step 6: Final answer
    x = 11,302.87

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1.5x scale

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.