Home / 19,278.96-26,608.92-11,325.36

Finding the Fourth Proportional to 19,278.96, 26,608.92 and 11,325.36

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Solution

The fourth proportional to 19,278.96, 26,608.92 and 11,325.36 is: 15,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.96 : 26,608.92 = 11,325.36 : x
  2. Step 2: Convert to fraction form
    19,278.96/26,608.92 = 11,325.36/x
  3. Step 3: Cross multiply
    19,278.96x = 26,608.92 × 11,325.36
  4. Step 4: Simplify right side
    19,278.96x = 301,355,598.21
  5. Step 5: Solve for x
    x = 301,355,598.21/19,278.96
  6. Step 6: Final answer
    x = 15,631.32

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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.