Home / 14,176.74-21,251.22-5,285.56

Finding the Fourth Proportional to 14,176.74, 21,251.22 and 5,285.56

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Solution

The fourth proportional to 14,176.74, 21,251.22 and 5,285.56 is: 7,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.74 : 21,251.22 = 5,285.56 : x
  2. Step 2: Convert to fraction form
    14,176.74/21,251.22 = 5,285.56/x
  3. Step 3: Cross multiply
    14,176.74x = 21,251.22 × 5,285.56
  4. Step 4: Simplify right side
    14,176.74x = 112,324,598.38
  5. Step 5: Solve for x
    x = 112,324,598.38/14,176.74
  6. Step 6: Final answer
    x = 7,923.16

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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.