Home / 19,630.94-27,090.84-10,678.52

Finding the Fourth Proportional to 19,630.94, 27,090.84 and 10,678.52

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Solution

The fourth proportional to 19,630.94, 27,090.84 and 10,678.52 is: 14,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.94 : 27,090.84 = 10,678.52 : x
  2. Step 2: Convert to fraction form
    19,630.94/27,090.84 = 10,678.52/x
  3. Step 3: Cross multiply
    19,630.94x = 27,090.84 × 10,678.52
  4. Step 4: Simplify right side
    19,630.94x = 289,290,076.76
  5. Step 5: Solve for x
    x = 289,290,076.76/19,630.94
  6. Step 6: Final answer
    x = 14,736.44

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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.