Home / 19,105.04-26,365.32-11,149.52

Finding the Fourth Proportional to 19,105.04, 26,365.32 and 11,149.52

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Solution

The fourth proportional to 19,105.04, 26,365.32 and 11,149.52 is: 15,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.04 : 26,365.32 = 11,149.52 : x
  2. Step 2: Convert to fraction form
    19,105.04/26,365.32 = 11,149.52/x
  3. Step 3: Cross multiply
    19,105.04x = 26,365.32 × 11,149.52
  4. Step 4: Simplify right side
    19,105.04x = 293,960,662.65
  5. Step 5: Solve for x
    x = 293,960,662.65/19,105.04
  6. Step 6: Final answer
    x = 15,386.55

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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.