Home / 17,118.36-23,451.69-16,478.70

Finding the Fourth Proportional to 17,118.36, 23,451.69 and 16,478.70

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Solution

The fourth proportional to 17,118.36, 23,451.69 and 16,478.70 is: 22,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.36 : 23,451.69 = 16,478.70 : x
  2. Step 2: Convert to fraction form
    17,118.36/23,451.69 = 16,478.70/x
  3. Step 3: Cross multiply
    17,118.36x = 23,451.69 × 16,478.70
  4. Step 4: Simplify right side
    17,118.36x = 386,453,364.00
  5. Step 5: Solve for x
    x = 386,453,364.00/17,118.36
  6. Step 6: Final answer
    x = 22,575.37

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Half scale
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Double scale
Find fourth proportional to 17,119.36, 23,453.06 and 16,479.70
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.