Home / 20,552.94-28,382.65-19,433.44

Finding the Fourth Proportional to 20,552.94, 28,382.65 and 19,433.44

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Solution

The fourth proportional to 20,552.94, 28,382.65 and 19,433.44 is: 26,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.94 : 28,382.65 = 19,433.44 : x
  2. Step 2: Convert to fraction form
    20,552.94/28,382.65 = 19,433.44/x
  3. Step 3: Cross multiply
    20,552.94x = 28,382.65 × 19,433.44
  4. Step 4: Simplify right side
    20,552.94x = 551,572,489.07
  5. Step 5: Solve for x
    x = 551,572,489.07/20,552.94
  6. Step 6: Final answer
    x = 26,836.67

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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.