Home / 19,074.96-26,331.67-17,879.40

Finding the Fourth Proportional to 19,074.96, 26,331.67 and 17,879.40

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Solution

The fourth proportional to 19,074.96, 26,331.67 and 17,879.40 is: 24,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.96 : 26,331.67 = 17,879.40 : x
  2. Step 2: Convert to fraction form
    19,074.96/26,331.67 = 17,879.40/x
  3. Step 3: Cross multiply
    19,074.96x = 26,331.67 × 17,879.40
  4. Step 4: Simplify right side
    19,074.96x = 470,794,460.60
  5. Step 5: Solve for x
    x = 470,794,460.60/19,074.96
  6. Step 6: Final answer
    x = 24,681.28

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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.