Home / 23,453.18-35,177.30-12,355.40

Finding the Fourth Proportional to 23,453.18, 35,177.30 and 12,355.40

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Solution

The fourth proportional to 23,453.18, 35,177.30 and 12,355.40 is: 18,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,453.18 : 35,177.30 = 12,355.40 : x
  2. Step 2: Convert to fraction form
    23,453.18/35,177.30 = 12,355.40/x
  3. Step 3: Cross multiply
    23,453.18x = 35,177.30 × 12,355.40
  4. Step 4: Simplify right side
    23,453.18x = 434,629,467.42
  5. Step 5: Solve for x
    x = 434,629,467.42/23,453.18
  6. Step 6: Final answer
    x = 18,531.80

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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.