Home / 23,311.20-32,181.12-14,821.86

Finding the Fourth Proportional to 23,311.20, 32,181.12 and 14,821.86

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Solution

The fourth proportional to 23,311.20, 32,181.12 and 14,821.86 is: 20,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.20 : 32,181.12 = 14,821.86 : x
  2. Step 2: Convert to fraction form
    23,311.20/32,181.12 = 14,821.86/x
  3. Step 3: Cross multiply
    23,311.20x = 32,181.12 × 14,821.86
  4. Step 4: Simplify right side
    23,311.20x = 476,984,055.28
  5. Step 5: Solve for x
    x = 476,984,055.28/23,311.20
  6. Step 6: Final answer
    x = 20,461.58

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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.