Home / 15,012.98-22,538.60-12,245.04

Finding the Fourth Proportional to 15,012.98, 22,538.60 and 12,245.04

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Solution

The fourth proportional to 15,012.98, 22,538.60 and 12,245.04 is: 18,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.98 : 22,538.60 = 12,245.04 : x
  2. Step 2: Convert to fraction form
    15,012.98/22,538.60 = 12,245.04/x
  3. Step 3: Cross multiply
    15,012.98x = 22,538.60 × 12,245.04
  4. Step 4: Simplify right side
    15,012.98x = 275,985,997.32
  5. Step 5: Solve for x
    x = 275,985,997.32/15,012.98
  6. Step 6: Final answer
    x = 18,383.17

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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.