Home / 25,829.40-38,744.60-7,109.34

Finding the Fourth Proportional to 25,829.40, 38,744.60 and 7,109.34

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Solution

The fourth proportional to 25,829.40, 38,744.60 and 7,109.34 is: 10,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.40 : 38,744.60 = 7,109.34 : x
  2. Step 2: Convert to fraction form
    25,829.40/38,744.60 = 7,109.34/x
  3. Step 3: Cross multiply
    25,829.40x = 38,744.60 × 7,109.34
  4. Step 4: Simplify right side
    25,829.40x = 275,448,534.56
  5. Step 5: Solve for x
    x = 275,448,534.56/25,829.40
  6. Step 6: Final answer
    x = 10,664.15

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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.