Home / 16,823.78-25,206.93-11,883.89

Finding the Fourth Proportional to 16,823.78, 25,206.93 and 11,883.89

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Solution

The fourth proportional to 16,823.78, 25,206.93 and 11,883.89 is: 17,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.78 : 25,206.93 = 11,883.89 : x
  2. Step 2: Convert to fraction form
    16,823.78/25,206.93 = 11,883.89/x
  3. Step 3: Cross multiply
    16,823.78x = 25,206.93 × 11,883.89
  4. Step 4: Simplify right side
    16,823.78x = 299,556,257.32
  5. Step 5: Solve for x
    x = 299,556,257.32/16,823.78
  6. Step 6: Final answer
    x = 17,805.53

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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.