Home / 22,743.55-31,388.41-12,673.63

Finding the Fourth Proportional to 22,743.55, 31,388.41 and 12,673.63

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Solution

The fourth proportional to 22,743.55, 31,388.41 and 12,673.63 is: 17,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.55 : 31,388.41 = 12,673.63 : x
  2. Step 2: Convert to fraction form
    22,743.55/31,388.41 = 12,673.63/x
  3. Step 3: Cross multiply
    22,743.55x = 31,388.41 × 12,673.63
  4. Step 4: Simplify right side
    22,743.55x = 397,805,094.63
  5. Step 5: Solve for x
    x = 397,805,094.63/22,743.55
  6. Step 6: Final answer
    x = 17,490.90

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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.