Home / 18,526.87-27,790.31-6,223.51

Finding the Fourth Proportional to 18,526.87, 27,790.31 and 6,223.51

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Solution

The fourth proportional to 18,526.87, 27,790.31 and 6,223.51 is: 9,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.87 : 27,790.31 = 6,223.51 : x
  2. Step 2: Convert to fraction form
    18,526.87/27,790.31 = 6,223.51/x
  3. Step 3: Cross multiply
    18,526.87x = 27,790.31 × 6,223.51
  4. Step 4: Simplify right side
    18,526.87x = 172,953,272.19
  5. Step 5: Solve for x
    x = 172,953,272.19/18,526.87
  6. Step 6: Final answer
    x = 9,335.27

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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.