Home / 19,238.69-26,524.71-15,776.51

Finding the Fourth Proportional to 19,238.69, 26,524.71 and 15,776.51

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Solution

The fourth proportional to 19,238.69, 26,524.71 and 15,776.51 is: 21,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.69 : 26,524.71 = 15,776.51 : x
  2. Step 2: Convert to fraction form
    19,238.69/26,524.71 = 15,776.51/x
  3. Step 3: Cross multiply
    19,238.69x = 26,524.71 × 15,776.51
  4. Step 4: Simplify right side
    19,238.69x = 418,467,219.94
  5. Step 5: Solve for x
    x = 418,467,219.94/19,238.69
  6. Step 6: Final answer
    x = 21,751.33

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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.