Home / 19,898.06-27,459.51-10,945.62

Finding the Fourth Proportional to 19,898.06, 27,459.51 and 10,945.62

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Solution

The fourth proportional to 19,898.06, 27,459.51 and 10,945.62 is: 15,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.06 : 27,459.51 = 10,945.62 : x
  2. Step 2: Convert to fraction form
    19,898.06/27,459.51 = 10,945.62/x
  3. Step 3: Cross multiply
    19,898.06x = 27,459.51 × 10,945.62
  4. Step 4: Simplify right side
    19,898.06x = 300,561,361.85
  5. Step 5: Solve for x
    x = 300,561,361.85/19,898.06
  6. Step 6: Final answer
    x = 15,105.06

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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.