Home / 15,236.70-22,814.94-12,259.30

Finding the Fourth Proportional to 15,236.70, 22,814.94 and 12,259.30

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Solution

The fourth proportional to 15,236.70, 22,814.94 and 12,259.30 is: 18,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.70 : 22,814.94 = 12,259.30 : x
  2. Step 2: Convert to fraction form
    15,236.70/22,814.94 = 12,259.30/x
  3. Step 3: Cross multiply
    15,236.70x = 22,814.94 × 12,259.30
  4. Step 4: Simplify right side
    15,236.70x = 279,695,193.94
  5. Step 5: Solve for x
    x = 279,695,193.94/15,236.70
  6. Step 6: Final answer
    x = 18,356.68

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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.