Home / 22,236.96-30,712.20-15,151.08

Finding the Fourth Proportional to 22,236.96, 30,712.20 and 15,151.08

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Solution

The fourth proportional to 22,236.96, 30,712.20 and 15,151.08 is: 20,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.96 : 30,712.20 = 15,151.08 : x
  2. Step 2: Convert to fraction form
    22,236.96/30,712.20 = 15,151.08/x
  3. Step 3: Cross multiply
    22,236.96x = 30,712.20 × 15,151.08
  4. Step 4: Simplify right side
    22,236.96x = 465,322,999.18
  5. Step 5: Solve for x
    x = 465,322,999.18/22,236.96
  6. Step 6: Final answer
    x = 20,925.66

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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.