Home / 13,803.96-20,701.08-4,443.60

Finding the Fourth Proportional to 13,803.96, 20,701.08 and 4,443.60

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Solution

The fourth proportional to 13,803.96, 20,701.08 and 4,443.60 is: 6,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.96 : 20,701.08 = 4,443.60 : x
  2. Step 2: Convert to fraction form
    13,803.96/20,701.08 = 4,443.60/x
  3. Step 3: Cross multiply
    13,803.96x = 20,701.08 × 4,443.60
  4. Step 4: Simplify right side
    13,803.96x = 91,987,319.09
  5. Step 5: Solve for x
    x = 91,987,319.09/13,803.96
  6. Step 6: Final answer
    x = 6,663.84

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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.