Home / 19,508.51-26,919.77-11,009.85

Finding the Fourth Proportional to 19,508.51, 26,919.77 and 11,009.85

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Solution

The fourth proportional to 19,508.51, 26,919.77 and 11,009.85 is: 15,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.51 : 26,919.77 = 11,009.85 : x
  2. Step 2: Convert to fraction form
    19,508.51/26,919.77 = 11,009.85/x
  3. Step 3: Cross multiply
    19,508.51x = 26,919.77 × 11,009.85
  4. Step 4: Simplify right side
    19,508.51x = 296,382,574.69
  5. Step 5: Solve for x
    x = 296,382,574.69/19,508.51
  6. Step 6: Final answer
    x = 15,192.48

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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.