Home / 31,464.32-47,195.36-13,694.94

Finding the Fourth Proportional to 31,464.32, 47,195.36 and 13,694.94

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Solution

The fourth proportional to 31,464.32, 47,195.36 and 13,694.94 is: 20,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.32 : 47,195.36 = 13,694.94 : x
  2. Step 2: Convert to fraction form
    31,464.32/47,195.36 = 13,694.94/x
  3. Step 3: Cross multiply
    31,464.32x = 47,195.36 × 13,694.94
  4. Step 4: Simplify right side
    31,464.32x = 646,337,623.48
  5. Step 5: Solve for x
    x = 646,337,623.48/31,464.32
  6. Step 6: Final answer
    x = 20,541.92

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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.