Home / 19,698.04-29,521.56-7,997.68

Finding the Fourth Proportional to 19,698.04, 29,521.56 and 7,997.68

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Solution

The fourth proportional to 19,698.04, 29,521.56 and 7,997.68 is: 11,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.04 : 29,521.56 = 7,997.68 : x
  2. Step 2: Convert to fraction form
    19,698.04/29,521.56 = 7,997.68/x
  3. Step 3: Cross multiply
    19,698.04x = 29,521.56 × 7,997.68
  4. Step 4: Simplify right side
    19,698.04x = 236,103,989.98
  5. Step 5: Solve for x
    x = 236,103,989.98/19,698.04
  6. Step 6: Final answer
    x = 11,986.17

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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.