Home / 19,453.83-29,136.83-11,646.15

Finding the Fourth Proportional to 19,453.83, 29,136.83 and 11,646.15

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Solution

The fourth proportional to 19,453.83, 29,136.83 and 11,646.15 is: 17,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.83 : 29,136.83 = 11,646.15 : x
  2. Step 2: Convert to fraction form
    19,453.83/29,136.83 = 11,646.15/x
  3. Step 3: Cross multiply
    19,453.83x = 29,136.83 × 11,646.15
  4. Step 4: Simplify right side
    19,453.83x = 339,331,834.47
  5. Step 5: Solve for x
    x = 339,331,834.47/19,453.83
  6. Step 6: Final answer
    x = 17,442.93

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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.