Home / 14,194.79-19,588.55-7,821.97

Finding the Fourth Proportional to 14,194.79, 19,588.55 and 7,821.97

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Solution

The fourth proportional to 14,194.79, 19,588.55 and 7,821.97 is: 10,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.79 : 19,588.55 = 7,821.97 : x
  2. Step 2: Convert to fraction form
    14,194.79/19,588.55 = 7,821.97/x
  3. Step 3: Cross multiply
    14,194.79x = 19,588.55 × 7,821.97
  4. Step 4: Simplify right side
    14,194.79x = 153,220,932.04
  5. Step 5: Solve for x
    x = 153,220,932.04/14,194.79
  6. Step 6: Final answer
    x = 10,794.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.