Home / 19,168.38-26,450.55-10,784.34

Finding the Fourth Proportional to 19,168.38, 26,450.55 and 10,784.34

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Solution

The fourth proportional to 19,168.38, 26,450.55 and 10,784.34 is: 14,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.38 : 26,450.55 = 10,784.34 : x
  2. Step 2: Convert to fraction form
    19,168.38/26,450.55 = 10,784.34/x
  3. Step 3: Cross multiply
    19,168.38x = 26,450.55 × 10,784.34
  4. Step 4: Simplify right side
    19,168.38x = 285,251,724.39
  5. Step 5: Solve for x
    x = 285,251,724.39/19,168.38
  6. Step 6: Final answer
    x = 14,881.37

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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.