Home / 13,622.44-18,802.14-8,036.68

Finding the Fourth Proportional to 13,622.44, 18,802.14 and 8,036.68

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Solution

The fourth proportional to 13,622.44, 18,802.14 and 8,036.68 is: 11,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.44 : 18,802.14 = 8,036.68 : x
  2. Step 2: Convert to fraction form
    13,622.44/18,802.14 = 8,036.68/x
  3. Step 3: Cross multiply
    13,622.44x = 18,802.14 × 8,036.68
  4. Step 4: Simplify right side
    13,622.44x = 151,106,782.50
  5. Step 5: Solve for x
    x = 151,106,782.50/13,622.44
  6. Step 6: Final answer
    x = 11,092.49

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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.