Home / 19,420.44-26,802.66-11,035.32

Finding the Fourth Proportional to 19,420.44, 26,802.66 and 11,035.32

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Solution

The fourth proportional to 19,420.44, 26,802.66 and 11,035.32 is: 15,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.44 : 26,802.66 = 11,035.32 : x
  2. Step 2: Convert to fraction form
    19,420.44/26,802.66 = 11,035.32/x
  3. Step 3: Cross multiply
    19,420.44x = 26,802.66 × 11,035.32
  4. Step 4: Simplify right side
    19,420.44x = 295,775,929.95
  5. Step 5: Solve for x
    x = 295,775,929.95/19,420.44
  6. Step 6: Final answer
    x = 15,230.14

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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.