Home / 19,173.35-26,458.58-10,788.23

Finding the Fourth Proportional to 19,173.35, 26,458.58 and 10,788.23

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Solution

The fourth proportional to 19,173.35, 26,458.58 and 10,788.23 is: 14,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.35 : 26,458.58 = 10,788.23 : x
  2. Step 2: Convert to fraction form
    19,173.35/26,458.58 = 10,788.23/x
  3. Step 3: Cross multiply
    19,173.35x = 26,458.58 × 10,788.23
  4. Step 4: Simplify right side
    19,173.35x = 285,441,192.57
  5. Step 5: Solve for x
    x = 285,441,192.57/19,173.35
  6. Step 6: Final answer
    x = 14,887.39

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Double scale
Find fourth proportional to 19,174.35, 26,459.95 and 10,789.23
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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.