Home / 14,659.11-20,222.14-9,272.48

Finding the Fourth Proportional to 14,659.11, 20,222.14 and 9,272.48

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Solution

The fourth proportional to 14,659.11, 20,222.14 and 9,272.48 is: 12,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.11 : 20,222.14 = 9,272.48 : x
  2. Step 2: Convert to fraction form
    14,659.11/20,222.14 = 9,272.48/x
  3. Step 3: Cross multiply
    14,659.11x = 20,222.14 × 9,272.48
  4. Step 4: Simplify right side
    14,659.11x = 187,509,264.42
  5. Step 5: Solve for x
    x = 187,509,264.42/14,659.11
  6. Step 6: Final answer
    x = 12,791.31

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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.