Home / 23,517.08-32,434.58-20,678.54

Finding the Fourth Proportional to 23,517.08, 32,434.58 and 20,678.54

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Solution

The fourth proportional to 23,517.08, 32,434.58 and 20,678.54 is: 28,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,517.08 : 32,434.58 = 20,678.54 : x
  2. Step 2: Convert to fraction form
    23,517.08/32,434.58 = 20,678.54/x
  3. Step 3: Cross multiply
    23,517.08x = 32,434.58 × 20,678.54
  4. Step 4: Simplify right side
    23,517.08x = 670,699,715.56
  5. Step 5: Solve for x
    x = 670,699,715.56/23,517.08
  6. Step 6: Final answer
    x = 28,519.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.