Home / 25,636.89-38,456.46-7,866.23

Finding the Fourth Proportional to 25,636.89, 38,456.46 and 7,866.23

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Solution

The fourth proportional to 25,636.89, 38,456.46 and 7,866.23 is: 11,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.89 : 38,456.46 = 7,866.23 : x
  2. Step 2: Convert to fraction form
    25,636.89/38,456.46 = 7,866.23/x
  3. Step 3: Cross multiply
    25,636.89x = 38,456.46 × 7,866.23
  4. Step 4: Simplify right side
    25,636.89x = 302,507,167.06
  5. Step 5: Solve for x
    x = 302,507,167.06/25,636.89
  6. Step 6: Final answer
    x = 11,799.68

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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.