Home / 25,668.51-35,418.78-14,336.61

Finding the Fourth Proportional to 25,668.51, 35,418.78 and 14,336.61

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Solution

The fourth proportional to 25,668.51, 35,418.78 and 14,336.61 is: 19,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.51 : 35,418.78 = 14,336.61 : x
  2. Step 2: Convert to fraction form
    25,668.51/35,418.78 = 14,336.61/x
  3. Step 3: Cross multiply
    25,668.51x = 35,418.78 × 14,336.61
  4. Step 4: Simplify right side
    25,668.51x = 507,785,235.54
  5. Step 5: Solve for x
    x = 507,785,235.54/25,668.51
  6. Step 6: Final answer
    x = 19,782.42

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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.