Home / 22,178.32-30,592.02-16,861.48

Finding the Fourth Proportional to 22,178.32, 30,592.02 and 16,861.48

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Solution

The fourth proportional to 22,178.32, 30,592.02 and 16,861.48 is: 23,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.32 : 30,592.02 = 16,861.48 : x
  2. Step 2: Convert to fraction form
    22,178.32/30,592.02 = 16,861.48/x
  3. Step 3: Cross multiply
    22,178.32x = 30,592.02 × 16,861.48
  4. Step 4: Simplify right side
    22,178.32x = 515,826,733.39
  5. Step 5: Solve for x
    x = 515,826,733.39/22,178.32
  6. Step 6: Final answer
    x = 23,258.15

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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.