Home / 19,383.52-26,750.64-11,000.56

Finding the Fourth Proportional to 19,383.52, 26,750.64 and 11,000.56

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Solution

The fourth proportional to 19,383.52, 26,750.64 and 11,000.56 is: 15,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.52 : 26,750.64 = 11,000.56 : x
  2. Step 2: Convert to fraction form
    19,383.52/26,750.64 = 11,000.56/x
  3. Step 3: Cross multiply
    19,383.52x = 26,750.64 × 11,000.56
  4. Step 4: Simplify right side
    19,383.52x = 294,272,020.36
  5. Step 5: Solve for x
    x = 294,272,020.36/19,383.52
  6. Step 6: Final answer
    x = 15,181.56

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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.