Home / 14,125.48-21,183.12-4,261.72

Finding the Fourth Proportional to 14,125.48, 21,183.12 and 4,261.72

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Solution

The fourth proportional to 14,125.48, 21,183.12 and 4,261.72 is: 6,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.48 : 21,183.12 = 4,261.72 : x
  2. Step 2: Convert to fraction form
    14,125.48/21,183.12 = 4,261.72/x
  3. Step 3: Cross multiply
    14,125.48x = 21,183.12 × 4,261.72
  4. Step 4: Simplify right side
    14,125.48x = 90,276,526.17
  5. Step 5: Solve for x
    x = 90,276,526.17/14,125.48
  6. Step 6: Final answer
    x = 6,391.04

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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.