Home / 28,328.86-42,499.46-9,354.33

Finding the Fourth Proportional to 28,328.86, 42,499.46 and 9,354.33

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Solution

The fourth proportional to 28,328.86, 42,499.46 and 9,354.33 is: 14,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.86 : 42,499.46 = 9,354.33 : x
  2. Step 2: Convert to fraction form
    28,328.86/42,499.46 = 9,354.33/x
  3. Step 3: Cross multiply
    28,328.86x = 42,499.46 × 9,354.33
  4. Step 4: Simplify right side
    28,328.86x = 397,553,997.05
  5. Step 5: Solve for x
    x = 397,553,997.05/28,328.86
  6. Step 6: Final answer
    x = 14,033.53

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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.