Home / 19,226.56-26,544.90-15,698.20

Finding the Fourth Proportional to 19,226.56, 26,544.90 and 15,698.20

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Solution

The fourth proportional to 19,226.56, 26,544.90 and 15,698.20 is: 21,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.56 : 26,544.90 = 15,698.20 : x
  2. Step 2: Convert to fraction form
    19,226.56/26,544.90 = 15,698.20/x
  3. Step 3: Cross multiply
    19,226.56x = 26,544.90 × 15,698.20
  4. Step 4: Simplify right side
    19,226.56x = 416,707,149.18
  5. Step 5: Solve for x
    x = 416,707,149.18/19,226.56
  6. Step 6: Final answer
    x = 21,673.52

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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.