Home / 19,797.18-27,320.43-10,845.54

Finding the Fourth Proportional to 19,797.18, 27,320.43 and 10,845.54

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Solution

The fourth proportional to 19,797.18, 27,320.43 and 10,845.54 is: 14,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.18 : 27,320.43 = 10,845.54 : x
  2. Step 2: Convert to fraction form
    19,797.18/27,320.43 = 10,845.54/x
  3. Step 3: Cross multiply
    19,797.18x = 27,320.43 × 10,845.54
  4. Step 4: Simplify right side
    19,797.18x = 296,304,816.38
  5. Step 5: Solve for x
    x = 296,304,816.38/19,797.18
  6. Step 6: Final answer
    x = 14,967.02

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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.