Home / 25,743.98-38,617.68-10,172.54

Finding the Fourth Proportional to 25,743.98, 38,617.68 and 10,172.54

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Solution

The fourth proportional to 25,743.98, 38,617.68 and 10,172.54 is: 15,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.98 : 38,617.68 = 10,172.54 : x
  2. Step 2: Convert to fraction form
    25,743.98/38,617.68 = 10,172.54/x
  3. Step 3: Cross multiply
    25,743.98x = 38,617.68 × 10,172.54
  4. Step 4: Simplify right side
    25,743.98x = 392,839,894.51
  5. Step 5: Solve for x
    x = 392,839,894.51/25,743.98
  6. Step 6: Final answer
    x = 15,259.49

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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.