Home / 25,965.09-38,921.58-10,148.22

Finding the Fourth Proportional to 25,965.09, 38,921.58 and 10,148.22

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Solution

The fourth proportional to 25,965.09, 38,921.58 and 10,148.22 is: 15,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.09 : 38,921.58 = 10,148.22 : x
  2. Step 2: Convert to fraction form
    25,965.09/38,921.58 = 10,148.22/x
  3. Step 3: Cross multiply
    25,965.09x = 38,921.58 × 10,148.22
  4. Step 4: Simplify right side
    25,965.09x = 394,984,756.59
  5. Step 5: Solve for x
    x = 394,984,756.59/25,965.09
  6. Step 6: Final answer
    x = 15,212.15

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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.