Home / 14,183.70-19,570.55-8,215.02

Finding the Fourth Proportional to 14,183.70, 19,570.55 and 8,215.02

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Solution

The fourth proportional to 14,183.70, 19,570.55 and 8,215.02 is: 11,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.70 : 19,570.55 = 8,215.02 : x
  2. Step 2: Convert to fraction form
    14,183.70/19,570.55 = 8,215.02/x
  3. Step 3: Cross multiply
    14,183.70x = 19,570.55 × 8,215.02
  4. Step 4: Simplify right side
    14,183.70x = 160,772,320.73
  5. Step 5: Solve for x
    x = 160,772,320.73/14,183.70
  6. Step 6: Final answer
    x = 11,335.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.