Home / 21,025.55-29,015.34-11,594.05

Finding the Fourth Proportional to 21,025.55, 29,015.34 and 11,594.05

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Solution

The fourth proportional to 21,025.55, 29,015.34 and 11,594.05 is: 15,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.55 : 29,015.34 = 11,594.05 : x
  2. Step 2: Convert to fraction form
    21,025.55/29,015.34 = 11,594.05/x
  3. Step 3: Cross multiply
    21,025.55x = 29,015.34 × 11,594.05
  4. Step 4: Simplify right side
    21,025.55x = 336,405,157.65
  5. Step 5: Solve for x
    x = 336,405,157.65/21,025.55
  6. Step 6: Final answer
    x = 15,999.83

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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.