Home / 22,542.64-31,106.36-12,468.56

Finding the Fourth Proportional to 22,542.64, 31,106.36 and 12,468.56

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Solution

The fourth proportional to 22,542.64, 31,106.36 and 12,468.56 is: 17,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.64 : 31,106.36 = 12,468.56 : x
  2. Step 2: Convert to fraction form
    22,542.64/31,106.36 = 12,468.56/x
  3. Step 3: Cross multiply
    22,542.64x = 31,106.36 × 12,468.56
  4. Step 4: Simplify right side
    22,542.64x = 387,851,516.04
  5. Step 5: Solve for x
    x = 387,851,516.04/22,542.64
  6. Step 6: Final answer
    x = 17,205.24

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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.