Home / 25,455.02-38,164.98-11,216.59

Finding the Fourth Proportional to 25,455.02, 38,164.98 and 11,216.59

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Solution

The fourth proportional to 25,455.02, 38,164.98 and 11,216.59 is: 16,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.02 : 38,164.98 = 11,216.59 : x
  2. Step 2: Convert to fraction form
    25,455.02/38,164.98 = 11,216.59/x
  3. Step 3: Cross multiply
    25,455.02x = 38,164.98 × 11,216.59
  4. Step 4: Simplify right side
    25,455.02x = 428,080,770.23
  5. Step 5: Solve for x
    x = 428,080,770.23/25,455.02
  6. Step 6: Final answer
    x = 16,817.15

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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.