Home / 19,009.90-26,232.60-10,511.54

Finding the Fourth Proportional to 19,009.90, 26,232.60 and 10,511.54

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Solution

The fourth proportional to 19,009.90, 26,232.60 and 10,511.54 is: 14,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.90 : 26,232.60 = 10,511.54 : x
  2. Step 2: Convert to fraction form
    19,009.90/26,232.60 = 10,511.54/x
  3. Step 3: Cross multiply
    19,009.90x = 26,232.60 × 10,511.54
  4. Step 4: Simplify right side
    19,009.90x = 275,745,024.20
  5. Step 5: Solve for x
    x = 275,745,024.20/19,009.90
  6. Step 6: Final answer
    x = 14,505.34

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Half scale
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Double scale
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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.