Home / 21,025.18-29,015.07-11,593.75

Finding the Fourth Proportional to 21,025.18, 29,015.07 and 11,593.75

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Solution

The fourth proportional to 21,025.18, 29,015.07 and 11,593.75 is: 15,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.18 : 29,015.07 = 11,593.75 : x
  2. Step 2: Convert to fraction form
    21,025.18/29,015.07 = 11,593.75/x
  3. Step 3: Cross multiply
    21,025.18x = 29,015.07 × 11,593.75
  4. Step 4: Simplify right side
    21,025.18x = 336,393,467.81
  5. Step 5: Solve for x
    x = 336,393,467.81/21,025.18
  6. Step 6: Final answer
    x = 15,999.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.