Home / 14,374.80-19,835.82-8,087.04

Finding the Fourth Proportional to 14,374.80, 19,835.82 and 8,087.04

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Solution

The fourth proportional to 14,374.80, 19,835.82 and 8,087.04 is: 11,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.80 : 19,835.82 = 8,087.04 : x
  2. Step 2: Convert to fraction form
    14,374.80/19,835.82 = 8,087.04/x
  3. Step 3: Cross multiply
    14,374.80x = 19,835.82 × 8,087.04
  4. Step 4: Simplify right side
    14,374.80x = 160,413,069.77
  5. Step 5: Solve for x
    x = 160,413,069.77/14,374.80
  6. Step 6: Final answer
    x = 11,159.33

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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.