Home / 18,290.54-25,240.92-9,907.04

Finding the Fourth Proportional to 18,290.54, 25,240.92 and 9,907.04

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Solution

The fourth proportional to 18,290.54, 25,240.92 and 9,907.04 is: 13,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.54 : 25,240.92 = 9,907.04 : x
  2. Step 2: Convert to fraction form
    18,290.54/25,240.92 = 9,907.04/x
  3. Step 3: Cross multiply
    18,290.54x = 25,240.92 × 9,907.04
  4. Step 4: Simplify right side
    18,290.54x = 250,062,804.08
  5. Step 5: Solve for x
    x = 250,062,804.08/18,290.54
  6. Step 6: Final answer
    x = 13,671.70

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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.