Home / 25,453.02-38,194.10-14,217.78

Finding the Fourth Proportional to 25,453.02, 38,194.10 and 14,217.78

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Solution

The fourth proportional to 25,453.02, 38,194.10 and 14,217.78 is: 21,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.02 : 38,194.10 = 14,217.78 : x
  2. Step 2: Convert to fraction form
    25,453.02/38,194.10 = 14,217.78/x
  3. Step 3: Cross multiply
    25,453.02x = 38,194.10 × 14,217.78
  4. Step 4: Simplify right side
    25,453.02x = 543,035,311.10
  5. Step 5: Solve for x
    x = 543,035,311.10/25,453.02
  6. Step 6: Final answer
    x = 21,334.81

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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.