Home / 18,435.16-25,442.27-10,883.80

Finding the Fourth Proportional to 18,435.16, 25,442.27 and 10,883.80

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Solution

The fourth proportional to 18,435.16, 25,442.27 and 10,883.80 is: 15,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.16 : 25,442.27 = 10,883.80 : x
  2. Step 2: Convert to fraction form
    18,435.16/25,442.27 = 10,883.80/x
  3. Step 3: Cross multiply
    18,435.16x = 25,442.27 × 10,883.80
  4. Step 4: Simplify right side
    18,435.16x = 276,908,578.23
  5. Step 5: Solve for x
    x = 276,908,578.23/18,435.16
  6. Step 6: Final answer
    x = 15,020.68

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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.