Home / 31,141.29-46,714.94-11,415.09

Finding the Fourth Proportional to 31,141.29, 46,714.94 and 11,415.09

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Solution

The fourth proportional to 31,141.29, 46,714.94 and 11,415.09 is: 17,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,141.29 : 46,714.94 = 11,415.09 : x
  2. Step 2: Convert to fraction form
    31,141.29/46,714.94 = 11,415.09/x
  3. Step 3: Cross multiply
    31,141.29x = 46,714.94 × 11,415.09
  4. Step 4: Simplify right side
    31,141.29x = 533,255,187.37
  5. Step 5: Solve for x
    x = 533,255,187.37/31,141.29
  6. Step 6: Final answer
    x = 17,123.73

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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.