Home / 12,157.59-18,236.54-4,366.41

Finding the Fourth Proportional to 12,157.59, 18,236.54 and 4,366.41

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Solution

The fourth proportional to 12,157.59, 18,236.54 and 4,366.41 is: 6,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.59 : 18,236.54 = 4,366.41 : x
  2. Step 2: Convert to fraction form
    12,157.59/18,236.54 = 4,366.41/x
  3. Step 3: Cross multiply
    12,157.59x = 18,236.54 × 4,366.41
  4. Step 4: Simplify right side
    12,157.59x = 79,628,153.15
  5. Step 5: Solve for x
    x = 79,628,153.15/12,157.59
  6. Step 6: Final answer
    x = 6,549.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.