Home / 14,173.56-21,253.26-5,285.88

Finding the Fourth Proportional to 14,173.56, 21,253.26 and 5,285.88

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Solution

The fourth proportional to 14,173.56, 21,253.26 and 5,285.88 is: 7,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.56 : 21,253.26 = 5,285.88 : x
  2. Step 2: Convert to fraction form
    14,173.56/21,253.26 = 5,285.88/x
  3. Step 3: Cross multiply
    14,173.56x = 21,253.26 × 5,285.88
  4. Step 4: Simplify right side
    14,173.56x = 112,342,181.97
  5. Step 5: Solve for x
    x = 112,342,181.97/14,173.56
  6. Step 6: Final answer
    x = 7,926.18

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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.