Home / 14,073.78-21,110.66-6,674.21

Finding the Fourth Proportional to 14,073.78, 21,110.66 and 6,674.21

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Solution

The fourth proportional to 14,073.78, 21,110.66 and 6,674.21 is: 10,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.78 : 21,110.66 = 6,674.21 : x
  2. Step 2: Convert to fraction form
    14,073.78/21,110.66 = 6,674.21/x
  3. Step 3: Cross multiply
    14,073.78x = 21,110.66 × 6,674.21
  4. Step 4: Simplify right side
    14,073.78x = 140,896,889.21
  5. Step 5: Solve for x
    x = 140,896,889.21/14,073.78
  6. Step 6: Final answer
    x = 10,011.30

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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.