Home / 13,273.77-19,849.13-10,278.28

Finding the Fourth Proportional to 13,273.77, 19,849.13 and 10,278.28

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Solution

The fourth proportional to 13,273.77, 19,849.13 and 10,278.28 is: 15,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.77 : 19,849.13 = 10,278.28 : x
  2. Step 2: Convert to fraction form
    13,273.77/19,849.13 = 10,278.28/x
  3. Step 3: Cross multiply
    13,273.77x = 19,849.13 × 10,278.28
  4. Step 4: Simplify right side
    13,273.77x = 204,014,864.51
  5. Step 5: Solve for x
    x = 204,014,864.51/13,273.77
  6. Step 6: Final answer
    x = 15,369.78

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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.