Home / 13,695.94-20,534.64-5,370.76

Finding the Fourth Proportional to 13,695.94, 20,534.64 and 5,370.76

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Solution

The fourth proportional to 13,695.94, 20,534.64 and 5,370.76 is: 8,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.94 : 20,534.64 = 5,370.76 : x
  2. Step 2: Convert to fraction form
    13,695.94/20,534.64 = 5,370.76/x
  3. Step 3: Cross multiply
    13,695.94x = 20,534.64 × 5,370.76
  4. Step 4: Simplify right side
    13,695.94x = 110,286,623.13
  5. Step 5: Solve for x
    x = 110,286,623.13/13,695.94
  6. Step 6: Final answer
    x = 8,052.50

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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.