Home / 13,393.33-20,070.75-7,537.57

Finding the Fourth Proportional to 13,393.33, 20,070.75 and 7,537.57

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Solution

The fourth proportional to 13,393.33, 20,070.75 and 7,537.57 is: 11,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.33 : 20,070.75 = 7,537.57 : x
  2. Step 2: Convert to fraction form
    13,393.33/20,070.75 = 7,537.57/x
  3. Step 3: Cross multiply
    13,393.33x = 20,070.75 × 7,537.57
  4. Step 4: Simplify right side
    13,393.33x = 151,284,683.08
  5. Step 5: Solve for x
    x = 151,284,683.08/13,393.33
  6. Step 6: Final answer
    x = 11,295.52

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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.