Home / 19,241.38-26,553.46-11,289.34

Finding the Fourth Proportional to 19,241.38, 26,553.46 and 11,289.34

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Solution

The fourth proportional to 19,241.38, 26,553.46 and 11,289.34 is: 15,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.38 : 26,553.46 = 11,289.34 : x
  2. Step 2: Convert to fraction form
    19,241.38/26,553.46 = 11,289.34/x
  3. Step 3: Cross multiply
    19,241.38x = 26,553.46 × 11,289.34
  4. Step 4: Simplify right side
    19,241.38x = 299,771,038.12
  5. Step 5: Solve for x
    x = 299,771,038.12/19,241.38
  6. Step 6: Final answer
    x = 15,579.50

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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.