Home / 13,548.18-20,307.43-6,974.73

Finding the Fourth Proportional to 13,548.18, 20,307.43 and 6,974.73

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Solution

The fourth proportional to 13,548.18, 20,307.43 and 6,974.73 is: 10,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.18 : 20,307.43 = 6,974.73 : x
  2. Step 2: Convert to fraction form
    13,548.18/20,307.43 = 6,974.73/x
  3. Step 3: Cross multiply
    13,548.18x = 20,307.43 × 6,974.73
  4. Step 4: Simplify right side
    13,548.18x = 141,638,841.24
  5. Step 5: Solve for x
    x = 141,638,841.24/13,548.18
  6. Step 6: Final answer
    x = 10,454.46

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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.