Home / 22,122.60-30,526.92-13,170.48

Finding the Fourth Proportional to 22,122.60, 30,526.92 and 13,170.48

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Solution

The fourth proportional to 22,122.60, 30,526.92 and 13,170.48 is: 18,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.60 : 30,526.92 = 13,170.48 : x
  2. Step 2: Convert to fraction form
    22,122.60/30,526.92 = 13,170.48/x
  3. Step 3: Cross multiply
    22,122.60x = 30,526.92 × 13,170.48
  4. Step 4: Simplify right side
    22,122.60x = 402,054,189.32
  5. Step 5: Solve for x
    x = 402,054,189.32/22,122.60
  6. Step 6: Final answer
    x = 18,173.91

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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.