Home / 13,605.36-20,393.46-4,837.38

Finding the Fourth Proportional to 13,605.36, 20,393.46 and 4,837.38

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Solution

The fourth proportional to 13,605.36, 20,393.46 and 4,837.38 is: 7,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.36 : 20,393.46 = 4,837.38 : x
  2. Step 2: Convert to fraction form
    13,605.36/20,393.46 = 4,837.38/x
  3. Step 3: Cross multiply
    13,605.36x = 20,393.46 × 4,837.38
  4. Step 4: Simplify right side
    13,605.36x = 98,650,915.53
  5. Step 5: Solve for x
    x = 98,650,915.53/13,605.36
  6. Step 6: Final answer
    x = 7,250.89

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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.