Home / 23,518.08-32,435.96-20,679.54

Finding the Fourth Proportional to 23,518.08, 32,435.96 and 20,679.54

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Solution

The fourth proportional to 23,518.08, 32,435.96 and 20,679.54 is: 28,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.08 : 32,435.96 = 20,679.54 : x
  2. Step 2: Convert to fraction form
    23,518.08/32,435.96 = 20,679.54/x
  3. Step 3: Cross multiply
    23,518.08x = 32,435.96 × 20,679.54
  4. Step 4: Simplify right side
    23,518.08x = 670,760,732.26
  5. Step 5: Solve for x
    x = 670,760,732.26/23,518.08
  6. Step 6: Final answer
    x = 28,521.07

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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.