Home / 19,898.39-27,459.19-10,945.89

Finding the Fourth Proportional to 19,898.39, 27,459.19 and 10,945.89

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Solution

The fourth proportional to 19,898.39, 27,459.19 and 10,945.89 is: 15,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.39 : 27,459.19 = 10,945.89 : x
  2. Step 2: Convert to fraction form
    19,898.39/27,459.19 = 10,945.89/x
  3. Step 3: Cross multiply
    19,898.39x = 27,459.19 × 10,945.89
  4. Step 4: Simplify right side
    19,898.39x = 300,565,183.94
  5. Step 5: Solve for x
    x = 300,565,183.94/19,898.39
  6. Step 6: Final answer
    x = 15,105.00

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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.