Home / 19,188.26-26,479.39-10,690.37

Finding the Fourth Proportional to 19,188.26, 26,479.39 and 10,690.37

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Solution

The fourth proportional to 19,188.26, 26,479.39 and 10,690.37 is: 14,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.26 : 26,479.39 = 10,690.37 : x
  2. Step 2: Convert to fraction form
    19,188.26/26,479.39 = 10,690.37/x
  3. Step 3: Cross multiply
    19,188.26x = 26,479.39 × 10,690.37
  4. Step 4: Simplify right side
    19,188.26x = 283,074,344.08
  5. Step 5: Solve for x
    x = 283,074,344.08/19,188.26
  6. Step 6: Final answer
    x = 14,752.48

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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.