Home / 13,749.98-20,634.80-5,858.02

Finding the Fourth Proportional to 13,749.98, 20,634.80 and 5,858.02

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Solution

The fourth proportional to 13,749.98, 20,634.80 and 5,858.02 is: 8,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.98 : 20,634.80 = 5,858.02 : x
  2. Step 2: Convert to fraction form
    13,749.98/20,634.80 = 5,858.02/x
  3. Step 3: Cross multiply
    13,749.98x = 20,634.80 × 5,858.02
  4. Step 4: Simplify right side
    13,749.98x = 120,878,990.22
  5. Step 5: Solve for x
    x = 120,878,990.22/13,749.98
  6. Step 6: Final answer
    x = 8,791.22

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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.