Home / 13,548.06-20,325.74-5,647.95

Finding the Fourth Proportional to 13,548.06, 20,325.74 and 5,647.95

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Solution

The fourth proportional to 13,548.06, 20,325.74 and 5,647.95 is: 8,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.06 : 20,325.74 = 5,647.95 : x
  2. Step 2: Convert to fraction form
    13,548.06/20,325.74 = 5,647.95/x
  3. Step 3: Cross multiply
    13,548.06x = 20,325.74 × 5,647.95
  4. Step 4: Simplify right side
    13,548.06x = 114,798,763.23
  5. Step 5: Solve for x
    x = 114,798,763.23/13,548.06
  6. Step 6: Final answer
    x = 8,473.45

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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.