Home / 13,823.96-19,079.04-7,854.44

Finding the Fourth Proportional to 13,823.96, 19,079.04 and 7,854.44

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Solution

The fourth proportional to 13,823.96, 19,079.04 and 7,854.44 is: 10,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.96 : 19,079.04 = 7,854.44 : x
  2. Step 2: Convert to fraction form
    13,823.96/19,079.04 = 7,854.44/x
  3. Step 3: Cross multiply
    13,823.96x = 19,079.04 × 7,854.44
  4. Step 4: Simplify right side
    13,823.96x = 149,855,174.94
  5. Step 5: Solve for x
    x = 149,855,174.94/13,823.96
  6. Step 6: Final answer
    x = 10,840.25

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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.