Home / 22,157.10-30,588.08-17,109.99

Finding the Fourth Proportional to 22,157.10, 30,588.08 and 17,109.99

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Solution

The fourth proportional to 22,157.10, 30,588.08 and 17,109.99 is: 23,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.10 : 30,588.08 = 17,109.99 : x
  2. Step 2: Convert to fraction form
    22,157.10/30,588.08 = 17,109.99/x
  3. Step 3: Cross multiply
    22,157.10x = 30,588.08 × 17,109.99
  4. Step 4: Simplify right side
    22,157.10x = 523,361,657.37
  5. Step 5: Solve for x
    x = 523,361,657.37/22,157.10
  6. Step 6: Final answer
    x = 23,620.49

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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.