Home / 13,773.12-20,654.28-4,885.02

Finding the Fourth Proportional to 13,773.12, 20,654.28 and 4,885.02

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Solution

The fourth proportional to 13,773.12, 20,654.28 and 4,885.02 is: 7,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.12 : 20,654.28 = 4,885.02 : x
  2. Step 2: Convert to fraction form
    13,773.12/20,654.28 = 4,885.02/x
  3. Step 3: Cross multiply
    13,773.12x = 20,654.28 × 4,885.02
  4. Step 4: Simplify right side
    13,773.12x = 100,896,570.89
  5. Step 5: Solve for x
    x = 100,896,570.89/13,773.12
  6. Step 6: Final answer
    x = 7,325.61

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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.