Home / 13,645.33-18,829.54-7,675.84

Finding the Fourth Proportional to 13,645.33, 18,829.54 and 7,675.84

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Solution

The fourth proportional to 13,645.33, 18,829.54 and 7,675.84 is: 10,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.33 : 18,829.54 = 7,675.84 : x
  2. Step 2: Convert to fraction form
    13,645.33/18,829.54 = 7,675.84/x
  3. Step 3: Cross multiply
    13,645.33x = 18,829.54 × 7,675.84
  4. Step 4: Simplify right side
    13,645.33x = 144,532,536.31
  5. Step 5: Solve for x
    x = 144,532,536.31/13,645.33
  6. Step 6: Final answer
    x = 10,592.09

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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.