Home / 18,239.21-27,362.61-7,709.24

Finding the Fourth Proportional to 18,239.21, 27,362.61 and 7,709.24

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Solution

The fourth proportional to 18,239.21, 27,362.61 and 7,709.24 is: 11,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.21 : 27,362.61 = 7,709.24 : x
  2. Step 2: Convert to fraction form
    18,239.21/27,362.61 = 7,709.24/x
  3. Step 3: Cross multiply
    18,239.21x = 27,362.61 × 7,709.24
  4. Step 4: Simplify right side
    18,239.21x = 210,944,927.52
  5. Step 5: Solve for x
    x = 210,944,927.52/18,239.21
  6. Step 6: Final answer
    x = 11,565.46

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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.