Home / 19,383.57-26,747.38-10,885.05

Finding the Fourth Proportional to 19,383.57, 26,747.38 and 10,885.05

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Solution

The fourth proportional to 19,383.57, 26,747.38 and 10,885.05 is: 15,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.57 : 26,747.38 = 10,885.05 : x
  2. Step 2: Convert to fraction form
    19,383.57/26,747.38 = 10,885.05/x
  3. Step 3: Cross multiply
    19,383.57x = 26,747.38 × 10,885.05
  4. Step 4: Simplify right side
    19,383.57x = 291,146,582.28
  5. Step 5: Solve for x
    x = 291,146,582.28/19,383.57
  6. Step 6: Final answer
    x = 15,020.28

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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.