Home / 13,771.27-20,661.53-5,873.46

Finding the Fourth Proportional to 13,771.27, 20,661.53 and 5,873.46

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Solution

The fourth proportional to 13,771.27, 20,661.53 and 5,873.46 is: 8,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.27 : 20,661.53 = 5,873.46 : x
  2. Step 2: Convert to fraction form
    13,771.27/20,661.53 = 5,873.46/x
  3. Step 3: Cross multiply
    13,771.27x = 20,661.53 × 5,873.46
  4. Step 4: Simplify right side
    13,771.27x = 121,354,712.41
  5. Step 5: Solve for x
    x = 121,354,712.41/13,771.27
  6. Step 6: Final answer
    x = 8,812.17

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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.