Home / 16,929.54-23,338.32-11,878.02

Finding the Fourth Proportional to 16,929.54, 23,338.32 and 11,878.02

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Solution

The fourth proportional to 16,929.54, 23,338.32 and 11,878.02 is: 16,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.54 : 23,338.32 = 11,878.02 : x
  2. Step 2: Convert to fraction form
    16,929.54/23,338.32 = 11,878.02/x
  3. Step 3: Cross multiply
    16,929.54x = 23,338.32 × 11,878.02
  4. Step 4: Simplify right side
    16,929.54x = 277,213,031.73
  5. Step 5: Solve for x
    x = 277,213,031.73/16,929.54
  6. Step 6: Final answer
    x = 16,374.52

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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.