Home / 19,431.04-26,815.44-11,048.08

Finding the Fourth Proportional to 19,431.04, 26,815.44 and 11,048.08

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Solution

The fourth proportional to 19,431.04, 26,815.44 and 11,048.08 is: 15,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.04 : 26,815.44 = 11,048.08 : x
  2. Step 2: Convert to fraction form
    19,431.04/26,815.44 = 11,048.08/x
  3. Step 3: Cross multiply
    19,431.04x = 26,815.44 × 11,048.08
  4. Step 4: Simplify right side
    19,431.04x = 296,259,126.36
  5. Step 5: Solve for x
    x = 296,259,126.36/19,431.04
  6. Step 6: Final answer
    x = 15,246.69

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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.