Home / 14,180.63-19,569.29-8,212.61

Finding the Fourth Proportional to 14,180.63, 19,569.29 and 8,212.61

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Solution

The fourth proportional to 14,180.63, 19,569.29 and 8,212.61 is: 11,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.63 : 19,569.29 = 8,212.61 : x
  2. Step 2: Convert to fraction form
    14,180.63/19,569.29 = 8,212.61/x
  3. Step 3: Cross multiply
    14,180.63x = 19,569.29 × 8,212.61
  4. Step 4: Simplify right side
    14,180.63x = 160,714,954.61
  5. Step 5: Solve for x
    x = 160,714,954.61/14,180.63
  6. Step 6: Final answer
    x = 11,333.42

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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.