Home / 13,974.83-19,285.16-7,926.21

Finding the Fourth Proportional to 13,974.83, 19,285.16 and 7,926.21

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Solution

The fourth proportional to 13,974.83, 19,285.16 and 7,926.21 is: 10,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.83 : 19,285.16 = 7,926.21 : x
  2. Step 2: Convert to fraction form
    13,974.83/19,285.16 = 7,926.21/x
  3. Step 3: Cross multiply
    13,974.83x = 19,285.16 × 7,926.21
  4. Step 4: Simplify right side
    13,974.83x = 152,858,188.41
  5. Step 5: Solve for x
    x = 152,858,188.41/13,974.83
  6. Step 6: Final answer
    x = 10,938.11

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Double scale
Find fourth proportional to 13,975.83, 19,286.53 and 7,927.21
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.