Home / 14,149.83-21,192.45-6,759.50

Finding the Fourth Proportional to 14,149.83, 21,192.45 and 6,759.50

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Solution

The fourth proportional to 14,149.83, 21,192.45 and 6,759.50 is: 10,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.83 : 21,192.45 = 6,759.50 : x
  2. Step 2: Convert to fraction form
    14,149.83/21,192.45 = 6,759.50/x
  3. Step 3: Cross multiply
    14,149.83x = 21,192.45 × 6,759.50
  4. Step 4: Simplify right side
    14,149.83x = 143,250,259.81
  5. Step 5: Solve for x
    x = 143,250,259.81/14,149.83
  6. Step 6: Final answer
    x = 10,123.81

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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.