Home / 14,131.42-21,199.48-4,772.32

Finding the Fourth Proportional to 14,131.42, 21,199.48 and 4,772.32

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Solution

The fourth proportional to 14,131.42, 21,199.48 and 4,772.32 is: 7,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.42 : 21,199.48 = 4,772.32 : x
  2. Step 2: Convert to fraction form
    14,131.42/21,199.48 = 4,772.32/x
  3. Step 3: Cross multiply
    14,131.42x = 21,199.48 × 4,772.32
  4. Step 4: Simplify right side
    14,131.42x = 101,170,702.39
  5. Step 5: Solve for x
    x = 101,170,702.39/14,131.42
  6. Step 6: Final answer
    x = 7,159.27

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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.