Home / 21,317.46-29,426.19-16,027.64

Finding the Fourth Proportional to 21,317.46, 29,426.19 and 16,027.64

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Solution

The fourth proportional to 21,317.46, 29,426.19 and 16,027.64 is: 22,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,317.46 : 29,426.19 = 16,027.64 : x
  2. Step 2: Convert to fraction form
    21,317.46/29,426.19 = 16,027.64/x
  3. Step 3: Cross multiply
    21,317.46x = 29,426.19 × 16,027.64
  4. Step 4: Simplify right side
    21,317.46x = 471,632,379.89
  5. Step 5: Solve for x
    x = 471,632,379.89/21,317.46
  6. Step 6: Final answer
    x = 22,124.23

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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.