Home / 13,827.04-19,081.44-7,539.44

Finding the Fourth Proportional to 13,827.04, 19,081.44 and 7,539.44

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Solution

The fourth proportional to 13,827.04, 19,081.44 and 7,539.44 is: 10,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.04 : 19,081.44 = 7,539.44 : x
  2. Step 2: Convert to fraction form
    13,827.04/19,081.44 = 7,539.44/x
  3. Step 3: Cross multiply
    13,827.04x = 19,081.44 × 7,539.44
  4. Step 4: Simplify right side
    13,827.04x = 143,863,371.99
  5. Step 5: Solve for x
    x = 143,863,371.99/13,827.04
  6. Step 6: Final answer
    x = 10,404.50

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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.