Home / 13,940.49-19,237.55-7,567.09

Finding the Fourth Proportional to 13,940.49, 19,237.55 and 7,567.09

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Solution

The fourth proportional to 13,940.49, 19,237.55 and 7,567.09 is: 10,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.49 : 19,237.55 = 7,567.09 : x
  2. Step 2: Convert to fraction form
    13,940.49/19,237.55 = 7,567.09/x
  3. Step 3: Cross multiply
    13,940.49x = 19,237.55 × 7,567.09
  4. Step 4: Simplify right side
    13,940.49x = 145,572,228.87
  5. Step 5: Solve for x
    x = 145,572,228.87/13,940.49
  6. Step 6: Final answer
    x = 10,442.41

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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.