Home / 22,305.51-30,782.49-12,234.32

Finding the Fourth Proportional to 22,305.51, 30,782.49 and 12,234.32

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Solution

The fourth proportional to 22,305.51, 30,782.49 and 12,234.32 is: 16,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.51 : 30,782.49 = 12,234.32 : x
  2. Step 2: Convert to fraction form
    22,305.51/30,782.49 = 12,234.32/x
  3. Step 3: Cross multiply
    22,305.51x = 30,782.49 × 12,234.32
  4. Step 4: Simplify right side
    22,305.51x = 376,602,679.14
  5. Step 5: Solve for x
    x = 376,602,679.14/22,305.51
  6. Step 6: Final answer
    x = 16,883.84

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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.