Home / 19,171.20-26,448.96-14,147.52

Finding the Fourth Proportional to 19,171.20, 26,448.96 and 14,147.52

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Solution

The fourth proportional to 19,171.20, 26,448.96 and 14,147.52 is: 19,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.20 : 26,448.96 = 14,147.52 : x
  2. Step 2: Convert to fraction form
    19,171.20/26,448.96 = 14,147.52/x
  3. Step 3: Cross multiply
    19,171.20x = 26,448.96 × 14,147.52
  4. Step 4: Simplify right side
    19,171.20x = 374,187,190.58
  5. Step 5: Solve for x
    x = 374,187,190.58/19,171.20
  6. Step 6: Final answer
    x = 19,518.19

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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.