Home / 19,449.93-26,844.18-11,272.31

Finding the Fourth Proportional to 19,449.93, 26,844.18 and 11,272.31

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Solution

The fourth proportional to 19,449.93, 26,844.18 and 11,272.31 is: 15,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.93 : 26,844.18 = 11,272.31 : x
  2. Step 2: Convert to fraction form
    19,449.93/26,844.18 = 11,272.31/x
  3. Step 3: Cross multiply
    19,449.93x = 26,844.18 × 11,272.31
  4. Step 4: Simplify right side
    19,449.93x = 302,595,943.50
  5. Step 5: Solve for x
    x = 302,595,943.50/19,449.93
  6. Step 6: Final answer
    x = 15,557.69

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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.