Home / 13,531.75-20,297.93-4,647.07

Finding the Fourth Proportional to 13,531.75, 20,297.93 and 4,647.07

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Solution

The fourth proportional to 13,531.75, 20,297.93 and 4,647.07 is: 6,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.75 : 20,297.93 = 4,647.07 : x
  2. Step 2: Convert to fraction form
    13,531.75/20,297.93 = 4,647.07/x
  3. Step 3: Cross multiply
    13,531.75x = 20,297.93 × 4,647.07
  4. Step 4: Simplify right side
    13,531.75x = 94,325,901.57
  5. Step 5: Solve for x
    x = 94,325,901.57/13,531.75
  6. Step 6: Final answer
    x = 6,970.71

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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.