Home / 13,845.93-19,104.29-8,176.81

Finding the Fourth Proportional to 13,845.93, 19,104.29 and 8,176.81

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Solution

The fourth proportional to 13,845.93, 19,104.29 and 8,176.81 is: 11,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.93 : 19,104.29 = 8,176.81 : x
  2. Step 2: Convert to fraction form
    13,845.93/19,104.29 = 8,176.81/x
  3. Step 3: Cross multiply
    13,845.93x = 19,104.29 × 8,176.81
  4. Step 4: Simplify right side
    13,845.93x = 156,212,122.20
  5. Step 5: Solve for x
    x = 156,212,122.20/13,845.93
  6. Step 6: Final answer
    x = 11,282.17

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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.