Home / 13,970.49-20,941.16-5,201.84

Finding the Fourth Proportional to 13,970.49, 20,941.16 and 5,201.84

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Solution

The fourth proportional to 13,970.49, 20,941.16 and 5,201.84 is: 7,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.49 : 20,941.16 = 5,201.84 : x
  2. Step 2: Convert to fraction form
    13,970.49/20,941.16 = 5,201.84/x
  3. Step 3: Cross multiply
    13,970.49x = 20,941.16 × 5,201.84
  4. Step 4: Simplify right side
    13,970.49x = 108,932,433.02
  5. Step 5: Solve for x
    x = 108,932,433.02/13,970.49
  6. Step 6: Final answer
    x = 7,797.32

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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.