Home / 19,018.14-26,236.20-12,305.93

Finding the Fourth Proportional to 19,018.14, 26,236.20 and 12,305.93

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Solution

The fourth proportional to 19,018.14, 26,236.20 and 12,305.93 is: 16,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.14 : 26,236.20 = 12,305.93 : x
  2. Step 2: Convert to fraction form
    19,018.14/26,236.20 = 12,305.93/x
  3. Step 3: Cross multiply
    19,018.14x = 26,236.20 × 12,305.93
  4. Step 4: Simplify right side
    19,018.14x = 322,860,779.14
  5. Step 5: Solve for x
    x = 322,860,779.14/19,018.14
  6. Step 6: Final answer
    x = 16,976.46

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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.