Home / 19,010.15-26,232.94-10,511.78

Finding the Fourth Proportional to 19,010.15, 26,232.94 and 10,511.78

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Solution

The fourth proportional to 19,010.15, 26,232.94 and 10,511.78 is: 14,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.15 : 26,232.94 = 10,511.78 : x
  2. Step 2: Convert to fraction form
    19,010.15/26,232.94 = 10,511.78/x
  3. Step 3: Cross multiply
    19,010.15x = 26,232.94 × 10,511.78
  4. Step 4: Simplify right side
    19,010.15x = 275,754,894.03
  5. Step 5: Solve for x
    x = 275,754,894.03/19,010.15
  6. Step 6: Final answer
    x = 14,505.67

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Half scale
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Double scale
Find fourth proportional to 19,011.15, 26,234.32 and 10,512.78
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.