Home / 19,268.56-28,902.85-5,417.56

Finding the Fourth Proportional to 19,268.56, 28,902.85 and 5,417.56

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Solution

The fourth proportional to 19,268.56, 28,902.85 and 5,417.56 is: 8,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.56 : 28,902.85 = 5,417.56 : x
  2. Step 2: Convert to fraction form
    19,268.56/28,902.85 = 5,417.56/x
  3. Step 3: Cross multiply
    19,268.56x = 28,902.85 × 5,417.56
  4. Step 4: Simplify right side
    19,268.56x = 156,582,924.05
  5. Step 5: Solve for x
    x = 156,582,924.05/19,268.56
  6. Step 6: Final answer
    x = 8,126.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.