Home / 14,086.26-21,131.90-4,729.32

Finding the Fourth Proportional to 14,086.26, 21,131.90 and 4,729.32

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Solution

The fourth proportional to 14,086.26, 21,131.90 and 4,729.32 is: 7,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.26 : 21,131.90 = 4,729.32 : x
  2. Step 2: Convert to fraction form
    14,086.26/21,131.90 = 4,729.32/x
  3. Step 3: Cross multiply
    14,086.26x = 21,131.90 × 4,729.32
  4. Step 4: Simplify right side
    14,086.26x = 99,939,493.66
  5. Step 5: Solve for x
    x = 99,939,493.66/14,086.26
  6. Step 6: Final answer
    x = 7,094.82

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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.