Home / 22,810.26-31,453.98-15,650.64

Finding the Fourth Proportional to 22,810.26, 31,453.98 and 15,650.64

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Solution

The fourth proportional to 22,810.26, 31,453.98 and 15,650.64 is: 21,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810.26 : 31,453.98 = 15,650.64 : x
  2. Step 2: Convert to fraction form
    22,810.26/31,453.98 = 15,650.64/x
  3. Step 3: Cross multiply
    22,810.26x = 31,453.98 × 15,650.64
  4. Step 4: Simplify right side
    22,810.26x = 492,274,759.28
  5. Step 5: Solve for x
    x = 492,274,759.28/22,810.26
  6. Step 6: Final answer
    x = 21,581.29

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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.