Home / 34,199.78-51,287.39-14,479.74

Finding the Fourth Proportional to 34,199.78, 51,287.39 and 14,479.74

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Solution

The fourth proportional to 34,199.78, 51,287.39 and 14,479.74 is: 21,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,199.78 : 51,287.39 = 14,479.74 : x
  2. Step 2: Convert to fraction form
    34,199.78/51,287.39 = 14,479.74/x
  3. Step 3: Cross multiply
    34,199.78x = 51,287.39 × 14,479.74
  4. Step 4: Simplify right side
    34,199.78x = 742,628,072.48
  5. Step 5: Solve for x
    x = 742,628,072.48/34,199.78
  6. Step 6: Final answer
    x = 21,714.41

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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.