Home / 19,907.48-27,471.62-10,954.14

Finding the Fourth Proportional to 19,907.48, 27,471.62 and 10,954.14

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Solution

The fourth proportional to 19,907.48, 27,471.62 and 10,954.14 is: 15,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.48 : 27,471.62 = 10,954.14 : x
  2. Step 2: Convert to fraction form
    19,907.48/27,471.62 = 10,954.14/x
  3. Step 3: Cross multiply
    19,907.48x = 27,471.62 × 10,954.14
  4. Step 4: Simplify right side
    19,907.48x = 300,927,971.51
  5. Step 5: Solve for x
    x = 300,927,971.51/19,907.48
  6. Step 6: Final answer
    x = 15,116.33

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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.