Home / 16,243.81-22,416.64-9,529.55

Finding the Fourth Proportional to 16,243.81, 22,416.64 and 9,529.55

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Solution

The fourth proportional to 16,243.81, 22,416.64 and 9,529.55 is: 13,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.81 : 22,416.64 = 9,529.55 : x
  2. Step 2: Convert to fraction form
    16,243.81/22,416.64 = 9,529.55/x
  3. Step 3: Cross multiply
    16,243.81x = 22,416.64 × 9,529.55
  4. Step 4: Simplify right side
    16,243.81x = 213,620,571.58
  5. Step 5: Solve for x
    x = 213,620,571.58/16,243.81
  6. Step 6: Final answer
    x = 13,150.89

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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.