Home / 18,176.76-25,083.78-11,466.72

Finding the Fourth Proportional to 18,176.76, 25,083.78 and 11,466.72

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Solution

The fourth proportional to 18,176.76, 25,083.78 and 11,466.72 is: 15,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.76 : 25,083.78 = 11,466.72 : x
  2. Step 2: Convert to fraction form
    18,176.76/25,083.78 = 11,466.72/x
  3. Step 3: Cross multiply
    18,176.76x = 25,083.78 × 11,466.72
  4. Step 4: Simplify right side
    18,176.76x = 287,628,681.80
  5. Step 5: Solve for x
    x = 287,628,681.80/18,176.76
  6. Step 6: Final answer
    x = 15,823.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.