Home / 22,579.37-31,156.44-12,505.32

Finding the Fourth Proportional to 22,579.37, 31,156.44 and 12,505.32

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Solution

The fourth proportional to 22,579.37, 31,156.44 and 12,505.32 is: 17,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.37 : 31,156.44 = 12,505.32 : x
  2. Step 2: Convert to fraction form
    22,579.37/31,156.44 = 12,505.32/x
  3. Step 3: Cross multiply
    22,579.37x = 31,156.44 × 12,505.32
  4. Step 4: Simplify right side
    22,579.37x = 389,621,252.26
  5. Step 5: Solve for x
    x = 389,621,252.26/22,579.37
  6. Step 6: Final answer
    x = 17,255.63

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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.