Home / 19,009.95-26,231.43-10,511.49

Finding the Fourth Proportional to 19,009.95, 26,231.43 and 10,511.49

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Solution

The fourth proportional to 19,009.95, 26,231.43 and 10,511.49 is: 14,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.95 : 26,231.43 = 10,511.49 : x
  2. Step 2: Convert to fraction form
    19,009.95/26,231.43 = 10,511.49/x
  3. Step 3: Cross multiply
    19,009.95x = 26,231.43 × 10,511.49
  4. Step 4: Simplify right side
    19,009.95x = 275,731,414.13
  5. Step 5: Solve for x
    x = 275,731,414.13/19,009.95
  6. Step 6: Final answer
    x = 14,504.58

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Half scale
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Double scale
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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.