Home / 16,782.18-23,158.92-9,228.51

Finding the Fourth Proportional to 16,782.18, 23,158.92 and 9,228.51

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Solution

The fourth proportional to 16,782.18, 23,158.92 and 9,228.51 is: 12,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.18 : 23,158.92 = 9,228.51 : x
  2. Step 2: Convert to fraction form
    16,782.18/23,158.92 = 9,228.51/x
  3. Step 3: Cross multiply
    16,782.18x = 23,158.92 × 9,228.51
  4. Step 4: Simplify right side
    16,782.18x = 213,722,324.81
  5. Step 5: Solve for x
    x = 213,722,324.81/16,782.18
  6. Step 6: Final answer
    x = 12,735.08

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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.