Home / 14,708.43-20,289.42-9,039.24

Finding the Fourth Proportional to 14,708.43, 20,289.42 and 9,039.24

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Solution

The fourth proportional to 14,708.43, 20,289.42 and 9,039.24 is: 12,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.43 : 20,289.42 = 9,039.24 : x
  2. Step 2: Convert to fraction form
    14,708.43/20,289.42 = 9,039.24/x
  3. Step 3: Cross multiply
    14,708.43x = 20,289.42 × 9,039.24
  4. Step 4: Simplify right side
    14,708.43x = 183,400,936.84
  5. Step 5: Solve for x
    x = 183,400,936.84/14,708.43
  6. Step 6: Final answer
    x = 12,469.10

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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.