Home / 13,010.84-19,516.26-3,150.12

Finding the Fourth Proportional to 13,010.84, 19,516.26 and 3,150.12

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Solution

The fourth proportional to 13,010.84, 19,516.26 and 3,150.12 is: 4,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.84 : 19,516.26 = 3,150.12 : x
  2. Step 2: Convert to fraction form
    13,010.84/19,516.26 = 3,150.12/x
  3. Step 3: Cross multiply
    13,010.84x = 19,516.26 × 3,150.12
  4. Step 4: Simplify right side
    13,010.84x = 61,478,560.95
  5. Step 5: Solve for x
    x = 61,478,560.95/13,010.84
  6. Step 6: Final answer
    x = 4,725.18

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.