Home / 13,372.04-20,051.30-7,827.06

Finding the Fourth Proportional to 13,372.04, 20,051.30 and 7,827.06

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Solution

The fourth proportional to 13,372.04, 20,051.30 and 7,827.06 is: 11,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.04 : 20,051.30 = 7,827.06 : x
  2. Step 2: Convert to fraction form
    13,372.04/20,051.30 = 7,827.06/x
  3. Step 3: Cross multiply
    13,372.04x = 20,051.30 × 7,827.06
  4. Step 4: Simplify right side
    13,372.04x = 156,942,728.18
  5. Step 5: Solve for x
    x = 156,942,728.18/13,372.04
  6. Step 6: Final answer
    x = 11,736.63

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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.