Home / 25,768.98-38,653.95-16,940.55

Finding the Fourth Proportional to 25,768.98, 38,653.95 and 16,940.55

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Solution

The fourth proportional to 25,768.98, 38,653.95 and 16,940.55 is: 25,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.98 : 38,653.95 = 16,940.55 : x
  2. Step 2: Convert to fraction form
    25,768.98/38,653.95 = 16,940.55/x
  3. Step 3: Cross multiply
    25,768.98x = 38,653.95 × 16,940.55
  4. Step 4: Simplify right side
    25,768.98x = 654,819,172.67
  5. Step 5: Solve for x
    x = 654,819,172.67/25,768.98
  6. Step 6: Final answer
    x = 25,411.14

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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.