Home / 20,713.64-31,070.48-5,922.59

Finding the Fourth Proportional to 20,713.64, 31,070.48 and 5,922.59

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Solution

The fourth proportional to 20,713.64, 31,070.48 and 5,922.59 is: 8,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.64 : 31,070.48 = 5,922.59 : x
  2. Step 2: Convert to fraction form
    20,713.64/31,070.48 = 5,922.59/x
  3. Step 3: Cross multiply
    20,713.64x = 31,070.48 × 5,922.59
  4. Step 4: Simplify right side
    20,713.64x = 184,017,529.18
  5. Step 5: Solve for x
    x = 184,017,529.18/20,713.64
  6. Step 6: Final answer
    x = 8,883.88

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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.