Home / 13,863.22-19,125.53-10,078.09

Finding the Fourth Proportional to 13,863.22, 19,125.53 and 10,078.09

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Solution

The fourth proportional to 13,863.22, 19,125.53 and 10,078.09 is: 13,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.22 : 19,125.53 = 10,078.09 : x
  2. Step 2: Convert to fraction form
    13,863.22/19,125.53 = 10,078.09/x
  3. Step 3: Cross multiply
    13,863.22x = 19,125.53 × 10,078.09
  4. Step 4: Simplify right side
    13,863.22x = 192,748,762.25
  5. Step 5: Solve for x
    x = 192,748,762.25/13,863.22
  6. Step 6: Final answer
    x = 13,903.61

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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.