Home / 13,708.83-20,571.47-5,917.63

Finding the Fourth Proportional to 13,708.83, 20,571.47 and 5,917.63

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Solution

The fourth proportional to 13,708.83, 20,571.47 and 5,917.63 is: 8,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.83 : 20,571.47 = 5,917.63 : x
  2. Step 2: Convert to fraction form
    13,708.83/20,571.47 = 5,917.63/x
  3. Step 3: Cross multiply
    13,708.83x = 20,571.47 × 5,917.63
  4. Step 4: Simplify right side
    13,708.83x = 121,734,348.02
  5. Step 5: Solve for x
    x = 121,734,348.02/13,708.83
  6. Step 6: Final answer
    x = 8,880.00

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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.