Home / 14,947.24-20,627.19-8,232.81

Finding the Fourth Proportional to 14,947.24, 20,627.19 and 8,232.81

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Solution

The fourth proportional to 14,947.24, 20,627.19 and 8,232.81 is: 11,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.24 : 20,627.19 = 8,232.81 : x
  2. Step 2: Convert to fraction form
    14,947.24/20,627.19 = 8,232.81/x
  3. Step 3: Cross multiply
    14,947.24x = 20,627.19 × 8,232.81
  4. Step 4: Simplify right side
    14,947.24x = 169,819,736.10
  5. Step 5: Solve for x
    x = 169,819,736.10/14,947.24
  6. Step 6: Final answer
    x = 11,361.28

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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.