Home / 13,507.83-20,263.89-5,716.71

Finding the Fourth Proportional to 13,507.83, 20,263.89 and 5,716.71

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Solution

The fourth proportional to 13,507.83, 20,263.89 and 5,716.71 is: 8,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.83 : 20,263.89 = 5,716.71 : x
  2. Step 2: Convert to fraction form
    13,507.83/20,263.89 = 5,716.71/x
  3. Step 3: Cross multiply
    13,507.83x = 20,263.89 × 5,716.71
  4. Step 4: Simplify right side
    13,507.83x = 115,842,782.60
  5. Step 5: Solve for x
    x = 115,842,782.60/13,507.83
  6. Step 6: Final answer
    x = 8,575.97

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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.