Home / 13,107.40-19,645.68-6,072.55

Finding the Fourth Proportional to 13,107.40, 19,645.68 and 6,072.55

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Solution

The fourth proportional to 13,107.40, 19,645.68 and 6,072.55 is: 9,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.40 : 19,645.68 = 6,072.55 : x
  2. Step 2: Convert to fraction form
    13,107.40/19,645.68 = 6,072.55/x
  3. Step 3: Cross multiply
    13,107.40x = 19,645.68 × 6,072.55
  4. Step 4: Simplify right side
    13,107.40x = 119,299,347.74
  5. Step 5: Solve for x
    x = 119,299,347.74/13,107.40
  6. Step 6: Final answer
    x = 9,101.68

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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.