Home / 13,577.58-20,353.75-5,263.02

Finding the Fourth Proportional to 13,577.58, 20,353.75 and 5,263.02

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Solution

The fourth proportional to 13,577.58, 20,353.75 and 5,263.02 is: 7,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.58 : 20,353.75 = 5,263.02 : x
  2. Step 2: Convert to fraction form
    13,577.58/20,353.75 = 5,263.02/x
  3. Step 3: Cross multiply
    13,577.58x = 20,353.75 × 5,263.02
  4. Step 4: Simplify right side
    13,577.58x = 107,122,180.17
  5. Step 5: Solve for x
    x = 107,122,180.17/13,577.58
  6. Step 6: Final answer
    x = 7,889.64

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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.