Home / 13,136.49-19,706.67-4,814.58

Finding the Fourth Proportional to 13,136.49, 19,706.67 and 4,814.58

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Solution

The fourth proportional to 13,136.49, 19,706.67 and 4,814.58 is: 7,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.49 : 19,706.67 = 4,814.58 : x
  2. Step 2: Convert to fraction form
    13,136.49/19,706.67 = 4,814.58/x
  3. Step 3: Cross multiply
    13,136.49x = 19,706.67 × 4,814.58
  4. Step 4: Simplify right side
    13,136.49x = 94,879,339.25
  5. Step 5: Solve for x
    x = 94,879,339.25/13,136.49
  6. Step 6: Final answer
    x = 7,222.58

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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.