Home / 14,140.98-21,179.16-6,750.63

Finding the Fourth Proportional to 14,140.98, 21,179.16 and 6,750.63

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Solution

The fourth proportional to 14,140.98, 21,179.16 and 6,750.63 is: 10,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.98 : 21,179.16 = 6,750.63 : x
  2. Step 2: Convert to fraction form
    14,140.98/21,179.16 = 6,750.63/x
  3. Step 3: Cross multiply
    14,140.98x = 21,179.16 × 6,750.63
  4. Step 4: Simplify right side
    14,140.98x = 142,972,672.87
  5. Step 5: Solve for x
    x = 142,972,672.87/14,140.98
  6. Step 6: Final answer
    x = 10,110.52

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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.