Home / 22,157.61-30,588.79-17,110.50

Finding the Fourth Proportional to 22,157.61, 30,588.79 and 17,110.50

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Solution

The fourth proportional to 22,157.61, 30,588.79 and 17,110.50 is: 23,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.61 : 30,588.79 = 17,110.50 : x
  2. Step 2: Convert to fraction form
    22,157.61/30,588.79 = 17,110.50/x
  3. Step 3: Cross multiply
    22,157.61x = 30,588.79 × 17,110.50
  4. Step 4: Simplify right side
    22,157.61x = 523,389,448.52
  5. Step 5: Solve for x
    x = 523,389,448.52/22,157.61
  6. Step 6: Final answer
    x = 23,621.21

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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.