Home / 14,183.48-21,255.06-10,456.40

Finding the Fourth Proportional to 14,183.48, 21,255.06 and 10,456.40

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Solution

The fourth proportional to 14,183.48, 21,255.06 and 10,456.40 is: 15,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.48 : 21,255.06 = 10,456.40 : x
  2. Step 2: Convert to fraction form
    14,183.48/21,255.06 = 10,456.40/x
  3. Step 3: Cross multiply
    14,183.48x = 21,255.06 × 10,456.40
  4. Step 4: Simplify right side
    14,183.48x = 222,251,409.38
  5. Step 5: Solve for x
    x = 222,251,409.38/14,183.48
  6. Step 6: Final answer
    x = 15,669.74

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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.