Home / 13,816.06-19,066.67-7,847.58

Finding the Fourth Proportional to 13,816.06, 19,066.67 and 7,847.58

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Solution

The fourth proportional to 13,816.06, 19,066.67 and 7,847.58 is: 10,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.06 : 19,066.67 = 7,847.58 : x
  2. Step 2: Convert to fraction form
    13,816.06/19,066.67 = 7,847.58/x
  3. Step 3: Cross multiply
    13,816.06x = 19,066.67 × 7,847.58
  4. Step 4: Simplify right side
    13,816.06x = 149,627,218.16
  5. Step 5: Solve for x
    x = 149,627,218.16/13,816.06
  6. Step 6: Final answer
    x = 10,829.95

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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.