Home / 14,240.61-21,353.57-8,329.03

Finding the Fourth Proportional to 14,240.61, 21,353.57 and 8,329.03

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Solution

The fourth proportional to 14,240.61, 21,353.57 and 8,329.03 is: 12,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.61 : 21,353.57 = 8,329.03 : x
  2. Step 2: Convert to fraction form
    14,240.61/21,353.57 = 8,329.03/x
  3. Step 3: Cross multiply
    14,240.61x = 21,353.57 × 8,329.03
  4. Step 4: Simplify right side
    14,240.61x = 177,854,508.19
  5. Step 5: Solve for x
    x = 177,854,508.19/14,240.61
  6. Step 6: Final answer
    x = 12,489.25

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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.