Home / 18,933.54-28,400.34-8,533.14

Finding the Fourth Proportional to 18,933.54, 28,400.34 and 8,533.14

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Solution

The fourth proportional to 18,933.54, 28,400.34 and 8,533.14 is: 12,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.54 : 28,400.34 = 8,533.14 : x
  2. Step 2: Convert to fraction form
    18,933.54/28,400.34 = 8,533.14/x
  3. Step 3: Cross multiply
    18,933.54x = 28,400.34 × 8,533.14
  4. Step 4: Simplify right side
    18,933.54x = 242,344,077.27
  5. Step 5: Solve for x
    x = 242,344,077.27/18,933.54
  6. Step 6: Final answer
    x = 12,799.72

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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.