Home / 19,116.14-26,379.37-10,618.80

Finding the Fourth Proportional to 19,116.14, 26,379.37 and 10,618.80

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Solution

The fourth proportional to 19,116.14, 26,379.37 and 10,618.80 is: 14,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.14 : 26,379.37 = 10,618.80 : x
  2. Step 2: Convert to fraction form
    19,116.14/26,379.37 = 10,618.80/x
  3. Step 3: Cross multiply
    19,116.14x = 26,379.37 × 10,618.80
  4. Step 4: Simplify right side
    19,116.14x = 280,117,168.51
  5. Step 5: Solve for x
    x = 280,117,168.51/19,116.14
  6. Step 6: Final answer
    x = 14,653.44

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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.