Home / 14,144.84-21,217.68-6,750.08

Finding the Fourth Proportional to 14,144.84, 21,217.68 and 6,750.08

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Solution

The fourth proportional to 14,144.84, 21,217.68 and 6,750.08 is: 10,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.84 : 21,217.68 = 6,750.08 : x
  2. Step 2: Convert to fraction form
    14,144.84/21,217.68 = 6,750.08/x
  3. Step 3: Cross multiply
    14,144.84x = 21,217.68 × 6,750.08
  4. Step 4: Simplify right side
    14,144.84x = 143,221,037.41
  5. Step 5: Solve for x
    x = 143,221,037.41/14,144.84
  6. Step 6: Final answer
    x = 10,125.32

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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.