Home / 19,300.65-26,629.47-11,339.97

Finding the Fourth Proportional to 19,300.65, 26,629.47 and 11,339.97

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Solution

The fourth proportional to 19,300.65, 26,629.47 and 11,339.97 is: 15,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.65 : 26,629.47 = 11,339.97 : x
  2. Step 2: Convert to fraction form
    19,300.65/26,629.47 = 11,339.97/x
  3. Step 3: Cross multiply
    19,300.65x = 26,629.47 × 11,339.97
  4. Step 4: Simplify right side
    19,300.65x = 301,977,390.92
  5. Step 5: Solve for x
    x = 301,977,390.92/19,300.65
  6. Step 6: Final answer
    x = 15,645.97

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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.