Home / 14,145.09-21,222.24-6,748.59

Finding the Fourth Proportional to 14,145.09, 21,222.24 and 6,748.59

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Solution

The fourth proportional to 14,145.09, 21,222.24 and 6,748.59 is: 10,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.09 : 21,222.24 = 6,748.59 : x
  2. Step 2: Convert to fraction form
    14,145.09/21,222.24 = 6,748.59/x
  3. Step 3: Cross multiply
    14,145.09x = 21,222.24 × 6,748.59
  4. Step 4: Simplify right side
    14,145.09x = 143,220,301.53
  5. Step 5: Solve for x
    x = 143,220,301.53/14,145.09
  6. Step 6: Final answer
    x = 10,125.09

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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.