Home / 14,183.48-21,275.70-4,950.20

Finding the Fourth Proportional to 14,183.48, 21,275.70 and 4,950.20

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Solution

The fourth proportional to 14,183.48, 21,275.70 and 4,950.20 is: 7,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.48 : 21,275.70 = 4,950.20 : x
  2. Step 2: Convert to fraction form
    14,183.48/21,275.70 = 4,950.20/x
  3. Step 3: Cross multiply
    14,183.48x = 21,275.70 × 4,950.20
  4. Step 4: Simplify right side
    14,183.48x = 105,318,970.14
  5. Step 5: Solve for x
    x = 105,318,970.14/14,183.48
  6. Step 6: Final answer
    x = 7,425.47

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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.