Home / 12,835.67-19,248.64-5,443.61

Finding the Fourth Proportional to 12,835.67, 19,248.64 and 5,443.61

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Solution

The fourth proportional to 12,835.67, 19,248.64 and 5,443.61 is: 8,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.67 : 19,248.64 = 5,443.61 : x
  2. Step 2: Convert to fraction form
    12,835.67/19,248.64 = 5,443.61/x
  3. Step 3: Cross multiply
    12,835.67x = 19,248.64 × 5,443.61
  4. Step 4: Simplify right side
    12,835.67x = 104,781,979.34
  5. Step 5: Solve for x
    x = 104,781,979.34/12,835.67
  6. Step 6: Final answer
    x = 8,163.35

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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.