Home / 34,518.93-51,789.27-12,331.82

Finding the Fourth Proportional to 34,518.93, 51,789.27 and 12,331.82

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Solution

The fourth proportional to 34,518.93, 51,789.27 and 12,331.82 is: 18,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,518.93 : 51,789.27 = 12,331.82 : x
  2. Step 2: Convert to fraction form
    34,518.93/51,789.27 = 12,331.82/x
  3. Step 3: Cross multiply
    34,518.93x = 51,789.27 × 12,331.82
  4. Step 4: Simplify right side
    34,518.93x = 638,655,696.63
  5. Step 5: Solve for x
    x = 638,655,696.63/34,518.93
  6. Step 6: Final answer
    x = 18,501.61

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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.