Home / 13,998.38-19,317.18-8,025.92

Finding the Fourth Proportional to 13,998.38, 19,317.18 and 8,025.92

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Solution

The fourth proportional to 13,998.38, 19,317.18 and 8,025.92 is: 11,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.38 : 19,317.18 = 8,025.92 : x
  2. Step 2: Convert to fraction form
    13,998.38/19,317.18 = 8,025.92/x
  3. Step 3: Cross multiply
    13,998.38x = 19,317.18 × 8,025.92
  4. Step 4: Simplify right side
    13,998.38x = 155,038,141.31
  5. Step 5: Solve for x
    x = 155,038,141.31/13,998.38
  6. Step 6: Final answer
    x = 11,075.43

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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.