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Finding the Fourth Proportional to 14,459.13, 21,673.91 and 8,205.93

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Solution

The fourth proportional to 14,459.13, 21,673.91 and 8,205.93 is: 12,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.13 : 21,673.91 = 8,205.93 : x
  2. Step 2: Convert to fraction form
    14,459.13/21,673.91 = 8,205.93/x
  3. Step 3: Cross multiply
    14,459.13x = 21,673.91 × 8,205.93
  4. Step 4: Simplify right side
    14,459.13x = 177,854,608.80
  5. Step 5: Solve for x
    x = 177,854,608.80/14,459.13
  6. Step 6: Final answer
    x = 12,300.51

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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.