Home / 22,650.94-31,257.26-12,580.04

Finding the Fourth Proportional to 22,650.94, 31,257.26 and 12,580.04

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Solution

The fourth proportional to 22,650.94, 31,257.26 and 12,580.04 is: 17,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.94 : 31,257.26 = 12,580.04 : x
  2. Step 2: Convert to fraction form
    22,650.94/31,257.26 = 12,580.04/x
  3. Step 3: Cross multiply
    22,650.94x = 31,257.26 × 12,580.04
  4. Step 4: Simplify right side
    22,650.94x = 393,217,643.51
  5. Step 5: Solve for x
    x = 393,217,643.51/22,650.94
  6. Step 6: Final answer
    x = 17,359.88

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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.