Home / 22,157.07-30,588.04-17,109.96

Finding the Fourth Proportional to 22,157.07, 30,588.04 and 17,109.96

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Solution

The fourth proportional to 22,157.07, 30,588.04 and 17,109.96 is: 23,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.07 : 30,588.04 = 17,109.96 : x
  2. Step 2: Convert to fraction form
    22,157.07/30,588.04 = 17,109.96/x
  3. Step 3: Cross multiply
    22,157.07x = 30,588.04 × 17,109.96
  4. Step 4: Simplify right side
    22,157.07x = 523,360,157.65
  5. Step 5: Solve for x
    x = 523,360,157.65/22,157.07
  6. Step 6: Final answer
    x = 23,620.46

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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.