Home / 18,525.87-27,788.81-6,222.51

Finding the Fourth Proportional to 18,525.87, 27,788.81 and 6,222.51

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Solution

The fourth proportional to 18,525.87, 27,788.81 and 6,222.51 is: 9,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.87 : 27,788.81 = 6,222.51 : x
  2. Step 2: Convert to fraction form
    18,525.87/27,788.81 = 6,222.51/x
  3. Step 3: Cross multiply
    18,525.87x = 27,788.81 × 6,222.51
  4. Step 4: Simplify right side
    18,525.87x = 172,916,117.00
  5. Step 5: Solve for x
    x = 172,916,117.00/18,525.87
  6. Step 6: Final answer
    x = 9,333.77

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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.