Home / 25,463.98-38,172.88-13,763.53

Finding the Fourth Proportional to 25,463.98, 38,172.88 and 13,763.53

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Solution

The fourth proportional to 25,463.98, 38,172.88 and 13,763.53 is: 20,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.98 : 38,172.88 = 13,763.53 : x
  2. Step 2: Convert to fraction form
    25,463.98/38,172.88 = 13,763.53/x
  3. Step 3: Cross multiply
    25,463.98x = 38,172.88 × 13,763.53
  4. Step 4: Simplify right side
    25,463.98x = 525,393,579.07
  5. Step 5: Solve for x
    x = 525,393,579.07/25,463.98
  6. Step 6: Final answer
    x = 20,632.81

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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.