Home / 14,739.72-20,335.24-9,433.68

Finding the Fourth Proportional to 14,739.72, 20,335.24 and 9,433.68

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Solution

The fourth proportional to 14,739.72, 20,335.24 and 9,433.68 is: 13,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.72 : 20,335.24 = 9,433.68 : x
  2. Step 2: Convert to fraction form
    14,739.72/20,335.24 = 9,433.68/x
  3. Step 3: Cross multiply
    14,739.72x = 20,335.24 × 9,433.68
  4. Step 4: Simplify right side
    14,739.72x = 191,836,146.88
  5. Step 5: Solve for x
    x = 191,836,146.88/14,739.72
  6. Step 6: Final answer
    x = 13,014.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.