Home / 18,471.58-27,667.20-11,453.32

Finding the Fourth Proportional to 18,471.58, 27,667.20 and 11,453.32

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Solution

The fourth proportional to 18,471.58, 27,667.20 and 11,453.32 is: 17,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.58 : 27,667.20 = 11,453.32 : x
  2. Step 2: Convert to fraction form
    18,471.58/27,667.20 = 11,453.32/x
  3. Step 3: Cross multiply
    18,471.58x = 27,667.20 × 11,453.32
  4. Step 4: Simplify right side
    18,471.58x = 316,881,295.10
  5. Step 5: Solve for x
    x = 316,881,295.10/18,471.58
  6. Step 6: Final answer
    x = 17,155.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.