Home / 29,314.26-40,453.63-15,885.54

Finding the Fourth Proportional to 29,314.26, 40,453.63 and 15,885.54

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Solution

The fourth proportional to 29,314.26, 40,453.63 and 15,885.54 is: 21,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,314.26 : 40,453.63 = 15,885.54 : x
  2. Step 2: Convert to fraction form
    29,314.26/40,453.63 = 15,885.54/x
  3. Step 3: Cross multiply
    29,314.26x = 40,453.63 × 15,885.54
  4. Step 4: Simplify right side
    29,314.26x = 642,627,717.80
  5. Step 5: Solve for x
    x = 642,627,717.80/29,314.26
  6. Step 6: Final answer
    x = 21,922.02

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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.