Home / 30,198.40-41,657.41-19,276.15

Finding the Fourth Proportional to 30,198.40, 41,657.41 and 19,276.15

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Solution

The fourth proportional to 30,198.40, 41,657.41 and 19,276.15 is: 26,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.40 : 41,657.41 = 19,276.15 : x
  2. Step 2: Convert to fraction form
    30,198.40/41,657.41 = 19,276.15/x
  3. Step 3: Cross multiply
    30,198.40x = 41,657.41 × 19,276.15
  4. Step 4: Simplify right side
    30,198.40x = 802,994,483.77
  5. Step 5: Solve for x
    x = 802,994,483.77/30,198.40
  6. Step 6: Final answer
    x = 26,590.63

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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.