Home / 19,976.69-29,936.48-14,670.07

Finding the Fourth Proportional to 19,976.69, 29,936.48 and 14,670.07

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Solution

The fourth proportional to 19,976.69, 29,936.48 and 14,670.07 is: 21,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.69 : 29,936.48 = 14,670.07 : x
  2. Step 2: Convert to fraction form
    19,976.69/29,936.48 = 14,670.07/x
  3. Step 3: Cross multiply
    19,976.69x = 29,936.48 × 14,670.07
  4. Step 4: Simplify right side
    19,976.69x = 439,170,257.15
  5. Step 5: Solve for x
    x = 439,170,257.15/19,976.69
  6. Step 6: Final answer
    x = 21,984.14

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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.