Home / 14,015.25-21,026.21-4,781.25

Finding the Fourth Proportional to 14,015.25, 21,026.21 and 4,781.25

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Solution

The fourth proportional to 14,015.25, 21,026.21 and 4,781.25 is: 7,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.25 : 21,026.21 = 4,781.25 : x
  2. Step 2: Convert to fraction form
    14,015.25/21,026.21 = 4,781.25/x
  3. Step 3: Cross multiply
    14,015.25x = 21,026.21 × 4,781.25
  4. Step 4: Simplify right side
    14,015.25x = 100,531,542.66
  5. Step 5: Solve for x
    x = 100,531,542.66/14,015.25
  6. Step 6: Final answer
    x = 7,173.01

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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.