Home / 19,698.37-29,582.79-18,905.59

Finding the Fourth Proportional to 19,698.37, 29,582.79 and 18,905.59

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Solution

The fourth proportional to 19,698.37, 29,582.79 and 18,905.59 is: 28,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.37 : 29,582.79 = 18,905.59 : x
  2. Step 2: Convert to fraction form
    19,698.37/29,582.79 = 18,905.59/x
  3. Step 3: Cross multiply
    19,698.37x = 29,582.79 × 18,905.59
  4. Step 4: Simplify right side
    19,698.37x = 559,280,098.80
  5. Step 5: Solve for x
    x = 559,280,098.80/19,698.37
  6. Step 6: Final answer
    x = 28,392.20

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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.