Home / 13,055.53-19,590.05-6,481.57

Finding the Fourth Proportional to 13,055.53, 19,590.05 and 6,481.57

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Solution

The fourth proportional to 13,055.53, 19,590.05 and 6,481.57 is: 9,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.53 : 19,590.05 = 6,481.57 : x
  2. Step 2: Convert to fraction form
    13,055.53/19,590.05 = 6,481.57/x
  3. Step 3: Cross multiply
    13,055.53x = 19,590.05 × 6,481.57
  4. Step 4: Simplify right side
    13,055.53x = 126,974,280.38
  5. Step 5: Solve for x
    x = 126,974,280.38/13,055.53
  6. Step 6: Final answer
    x = 9,725.71

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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.