Home / 19,151.51-28,709.73-8,058.98

Finding the Fourth Proportional to 19,151.51, 28,709.73 and 8,058.98

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Solution

The fourth proportional to 19,151.51, 28,709.73 and 8,058.98 is: 12,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.51 : 28,709.73 = 8,058.98 : x
  2. Step 2: Convert to fraction form
    19,151.51/28,709.73 = 8,058.98/x
  3. Step 3: Cross multiply
    19,151.51x = 28,709.73 × 8,058.98
  4. Step 4: Simplify right side
    19,151.51x = 231,370,996.33
  5. Step 5: Solve for x
    x = 231,370,996.33/19,151.51
  6. Step 6: Final answer
    x = 12,081.09

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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.