Home / 18,533.28-25,562.64-11,811.96

Finding the Fourth Proportional to 18,533.28, 25,562.64 and 11,811.96

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Solution

The fourth proportional to 18,533.28, 25,562.64 and 11,811.96 is: 16,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.28 : 25,562.64 = 11,811.96 : x
  2. Step 2: Convert to fraction form
    18,533.28/25,562.64 = 11,811.96/x
  3. Step 3: Cross multiply
    18,533.28x = 25,562.64 × 11,811.96
  4. Step 4: Simplify right side
    18,533.28x = 301,944,881.17
  5. Step 5: Solve for x
    x = 301,944,881.17/18,533.28
  6. Step 6: Final answer
    x = 16,292.04

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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.