Home / 19,684.91-29,518.71-7,201.70

Finding the Fourth Proportional to 19,684.91, 29,518.71 and 7,201.70

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Solution

The fourth proportional to 19,684.91, 29,518.71 and 7,201.70 is: 10,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.91 : 29,518.71 = 7,201.70 : x
  2. Step 2: Convert to fraction form
    19,684.91/29,518.71 = 7,201.70/x
  3. Step 3: Cross multiply
    19,684.91x = 29,518.71 × 7,201.70
  4. Step 4: Simplify right side
    19,684.91x = 212,584,893.81
  5. Step 5: Solve for x
    x = 212,584,893.81/19,684.91
  6. Step 6: Final answer
    x = 10,799.38

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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.