Home / 13,661.04-20,493.72-4,895.76

Finding the Fourth Proportional to 13,661.04, 20,493.72 and 4,895.76

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Solution

The fourth proportional to 13,661.04, 20,493.72 and 4,895.76 is: 7,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.04 : 20,493.72 = 4,895.76 : x
  2. Step 2: Convert to fraction form
    13,661.04/20,493.72 = 4,895.76/x
  3. Step 3: Cross multiply
    13,661.04x = 20,493.72 × 4,895.76
  4. Step 4: Simplify right side
    13,661.04x = 100,332,334.63
  5. Step 5: Solve for x
    x = 100,332,334.63/13,661.04
  6. Step 6: Final answer
    x = 7,344.41

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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.