Home / 13,716.88-20,565.34-9,263.52

Finding the Fourth Proportional to 13,716.88, 20,565.34 and 9,263.52

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Solution

The fourth proportional to 13,716.88, 20,565.34 and 9,263.52 is: 13,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.88 : 20,565.34 = 9,263.52 : x
  2. Step 2: Convert to fraction form
    13,716.88/20,565.34 = 9,263.52/x
  3. Step 3: Cross multiply
    13,716.88x = 20,565.34 × 9,263.52
  4. Step 4: Simplify right side
    13,716.88x = 190,507,415.24
  5. Step 5: Solve for x
    x = 190,507,415.24/13,716.88
  6. Step 6: Final answer
    x = 13,888.54

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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.