Home / 18,106.33-24,986.73-11,032.78

Finding the Fourth Proportional to 18,106.33, 24,986.73 and 11,032.78

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Solution

The fourth proportional to 18,106.33, 24,986.73 and 11,032.78 is: 15,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.33 : 24,986.73 = 11,032.78 : x
  2. Step 2: Convert to fraction form
    18,106.33/24,986.73 = 11,032.78/x
  3. Step 3: Cross multiply
    18,106.33x = 24,986.73 × 11,032.78
  4. Step 4: Simplify right side
    18,106.33x = 275,673,095.01
  5. Step 5: Solve for x
    x = 275,673,095.01/18,106.33
  6. Step 6: Final answer
    x = 15,225.23

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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.