Home / 16,955.73-25,431.98-10,378.53

Finding the Fourth Proportional to 16,955.73, 25,431.98 and 10,378.53

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Solution

The fourth proportional to 16,955.73, 25,431.98 and 10,378.53 is: 15,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.73 : 25,431.98 = 10,378.53 : x
  2. Step 2: Convert to fraction form
    16,955.73/25,431.98 = 10,378.53/x
  3. Step 3: Cross multiply
    16,955.73x = 25,431.98 × 10,378.53
  4. Step 4: Simplify right side
    16,955.73x = 263,946,515.50
  5. Step 5: Solve for x
    x = 263,946,515.50/16,955.73
  6. Step 6: Final answer
    x = 15,566.80

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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.