Home / 30,065.12-41,508.77-19,314.35

Finding the Fourth Proportional to 30,065.12, 41,508.77 and 19,314.35

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Solution

The fourth proportional to 30,065.12, 41,508.77 and 19,314.35 is: 26,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.12 : 41,508.77 = 19,314.35 : x
  2. Step 2: Convert to fraction form
    30,065.12/41,508.77 = 19,314.35/x
  3. Step 3: Cross multiply
    30,065.12x = 41,508.77 × 19,314.35
  4. Step 4: Simplify right side
    30,065.12x = 801,714,607.73
  5. Step 5: Solve for x
    x = 801,714,607.73/30,065.12
  6. Step 6: Final answer
    x = 26,665.94

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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.