Home / 13,208.23-19,813.38-3,848.39

Finding the Fourth Proportional to 13,208.23, 19,813.38 and 3,848.39

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Solution

The fourth proportional to 13,208.23, 19,813.38 and 3,848.39 is: 5,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.23 : 19,813.38 = 3,848.39 : x
  2. Step 2: Convert to fraction form
    13,208.23/19,813.38 = 3,848.39/x
  3. Step 3: Cross multiply
    13,208.23x = 19,813.38 × 3,848.39
  4. Step 4: Simplify right side
    13,208.23x = 76,249,613.46
  5. Step 5: Solve for x
    x = 76,249,613.46/13,208.23
  6. Step 6: Final answer
    x = 5,772.89

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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.