Home / 22,158.74-30,584.31-12,732.77

Finding the Fourth Proportional to 22,158.74, 30,584.31 and 12,732.77

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Solution

The fourth proportional to 22,158.74, 30,584.31 and 12,732.77 is: 17,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.74 : 30,584.31 = 12,732.77 : x
  2. Step 2: Convert to fraction form
    22,158.74/30,584.31 = 12,732.77/x
  3. Step 3: Cross multiply
    22,158.74x = 30,584.31 × 12,732.77
  4. Step 4: Simplify right side
    22,158.74x = 389,422,984.84
  5. Step 5: Solve for x
    x = 389,422,984.84/22,158.74
  6. Step 6: Final answer
    x = 17,574.24

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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.