Home / 26,407.77-39,589.98-12,360.96

Finding the Fourth Proportional to 26,407.77, 39,589.98 and 12,360.96

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Solution

The fourth proportional to 26,407.77, 39,589.98 and 12,360.96 is: 18,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.77 : 39,589.98 = 12,360.96 : x
  2. Step 2: Convert to fraction form
    26,407.77/39,589.98 = 12,360.96/x
  3. Step 3: Cross multiply
    26,407.77x = 39,589.98 × 12,360.96
  4. Step 4: Simplify right side
    26,407.77x = 489,370,159.18
  5. Step 5: Solve for x
    x = 489,370,159.18/26,407.77
  6. Step 6: Final answer
    x = 18,531.29

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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.