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Finding the Fourth Proportional to 19,009, 26,232.42 and 10,627.12

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Solution

The fourth proportional to 19,009, 26,232.42 and 10,627.12 is: 14,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009 : 26,232.42 = 10,627.12 : x
  2. Step 2: Convert to fraction form
    19,009/26,232.42 = 10,627.12/x
  3. Step 3: Cross multiply
    19,009x = 26,232.42 × 10,627.12
  4. Step 4: Simplify right side
    19,009x = 278,775,075.23
  5. Step 5: Solve for x
    x = 278,775,075.23/19,009
  6. Step 6: Final answer
    x = 14,665.43

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Half scale
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Double scale
Find fourth proportional to 19,010, 26,233.80 and 10,628.12
Similar ratio
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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.