Home / 19,350.47-26,705.78-10,853.42

Finding the Fourth Proportional to 19,350.47, 26,705.78 and 10,853.42

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Solution

The fourth proportional to 19,350.47, 26,705.78 and 10,853.42 is: 14,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.47 : 26,705.78 = 10,853.42 : x
  2. Step 2: Convert to fraction form
    19,350.47/26,705.78 = 10,853.42/x
  3. Step 3: Cross multiply
    19,350.47x = 26,705.78 × 10,853.42
  4. Step 4: Simplify right side
    19,350.47x = 289,848,858.97
  5. Step 5: Solve for x
    x = 289,848,858.97/19,350.47
  6. Step 6: Final answer
    x = 14,978.91

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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.