Home / 14,011.79-21,022.07-4,151.12

Finding the Fourth Proportional to 14,011.79, 21,022.07 and 4,151.12

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Solution

The fourth proportional to 14,011.79, 21,022.07 and 4,151.12 is: 6,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.79 : 21,022.07 = 4,151.12 : x
  2. Step 2: Convert to fraction form
    14,011.79/21,022.07 = 4,151.12/x
  3. Step 3: Cross multiply
    14,011.79x = 21,022.07 × 4,151.12
  4. Step 4: Simplify right side
    14,011.79x = 87,265,009.35
  5. Step 5: Solve for x
    x = 87,265,009.35/14,011.79
  6. Step 6: Final answer
    x = 6,227.97

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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.