Home / 18,564.64-27,847.92-4,713.76

Finding the Fourth Proportional to 18,564.64, 27,847.92 and 4,713.76

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Solution

The fourth proportional to 18,564.64, 27,847.92 and 4,713.76 is: 7,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.64 : 27,847.92 = 4,713.76 : x
  2. Step 2: Convert to fraction form
    18,564.64/27,847.92 = 4,713.76/x
  3. Step 3: Cross multiply
    18,564.64x = 27,847.92 × 4,713.76
  4. Step 4: Simplify right side
    18,564.64x = 131,268,411.38
  5. Step 5: Solve for x
    x = 131,268,411.38/18,564.64
  6. Step 6: Final answer
    x = 7,070.88

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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.