Home / 13,062.48-19,607.57-8,135.61

Finding the Fourth Proportional to 13,062.48, 19,607.57 and 8,135.61

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Solution

The fourth proportional to 13,062.48, 19,607.57 and 8,135.61 is: 12,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.48 : 19,607.57 = 8,135.61 : x
  2. Step 2: Convert to fraction form
    13,062.48/19,607.57 = 8,135.61/x
  3. Step 3: Cross multiply
    13,062.48x = 19,607.57 × 8,135.61
  4. Step 4: Simplify right side
    13,062.48x = 159,519,458.87
  5. Step 5: Solve for x
    x = 159,519,458.87/13,062.48
  6. Step 6: Final answer
    x = 12,212.03

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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.