Home / 22,127.07-30,535.99-12,695.64

Finding the Fourth Proportional to 22,127.07, 30,535.99 and 12,695.64

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Solution

The fourth proportional to 22,127.07, 30,535.99 and 12,695.64 is: 17,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.07 : 30,535.99 = 12,695.64 : x
  2. Step 2: Convert to fraction form
    22,127.07/30,535.99 = 12,695.64/x
  3. Step 3: Cross multiply
    22,127.07x = 30,535.99 × 12,695.64
  4. Step 4: Simplify right side
    22,127.07x = 387,673,789.83
  5. Step 5: Solve for x
    x = 387,673,789.83/22,127.07
  6. Step 6: Final answer
    x = 17,520.34

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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.