Home / 14,608.40-20,152.37-9,156.49

Finding the Fourth Proportional to 14,608.40, 20,152.37 and 9,156.49

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Solution

The fourth proportional to 14,608.40, 20,152.37 and 9,156.49 is: 12,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.40 : 20,152.37 = 9,156.49 : x
  2. Step 2: Convert to fraction form
    14,608.40/20,152.37 = 9,156.49/x
  3. Step 3: Cross multiply
    14,608.40x = 20,152.37 × 9,156.49
  4. Step 4: Simplify right side
    14,608.40x = 184,524,906.97
  5. Step 5: Solve for x
    x = 184,524,906.97/14,608.40
  6. Step 6: Final answer
    x = 12,631.42

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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.