Home / 25,675.04-38,512.70-7,905.48

Finding the Fourth Proportional to 25,675.04, 38,512.70 and 7,905.48

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Solution

The fourth proportional to 25,675.04, 38,512.70 and 7,905.48 is: 11,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.04 : 38,512.70 = 7,905.48 : x
  2. Step 2: Convert to fraction form
    25,675.04/38,512.70 = 7,905.48/x
  3. Step 3: Cross multiply
    25,675.04x = 38,512.70 × 7,905.48
  4. Step 4: Simplify right side
    25,675.04x = 304,461,379.60
  5. Step 5: Solve for x
    x = 304,461,379.60/25,675.04
  6. Step 6: Final answer
    x = 11,858.26

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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.