Home / 19,902.98-27,464.13-11,403.47

Finding the Fourth Proportional to 19,902.98, 27,464.13 and 11,403.47

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Solution

The fourth proportional to 19,902.98, 27,464.13 and 11,403.47 is: 15,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.98 : 27,464.13 = 11,403.47 : x
  2. Step 2: Convert to fraction form
    19,902.98/27,464.13 = 11,403.47/x
  3. Step 3: Cross multiply
    19,902.98x = 27,464.13 × 11,403.47
  4. Step 4: Simplify right side
    19,902.98x = 313,186,382.53
  5. Step 5: Solve for x
    x = 313,186,382.53/19,902.98
  6. Step 6: Final answer
    x = 15,735.65

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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.