Home / 19,630.62-27,089.98-10,678.19

Finding the Fourth Proportional to 19,630.62, 27,089.98 and 10,678.19

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Solution

The fourth proportional to 19,630.62, 27,089.98 and 10,678.19 is: 14,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.62 : 27,089.98 = 10,678.19 : x
  2. Step 2: Convert to fraction form
    19,630.62/27,089.98 = 10,678.19/x
  3. Step 3: Cross multiply
    19,630.62x = 27,089.98 × 10,678.19
  4. Step 4: Simplify right side
    19,630.62x = 289,271,791.39
  5. Step 5: Solve for x
    x = 289,271,791.39/19,630.62
  6. Step 6: Final answer
    x = 14,735.74

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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.