Home / 18,336.70-25,304.16-10,379.26

Finding the Fourth Proportional to 18,336.70, 25,304.16 and 10,379.26

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Solution

The fourth proportional to 18,336.70, 25,304.16 and 10,379.26 is: 14,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.70 : 25,304.16 = 10,379.26 : x
  2. Step 2: Convert to fraction form
    18,336.70/25,304.16 = 10,379.26/x
  3. Step 3: Cross multiply
    18,336.70x = 25,304.16 × 10,379.26
  4. Step 4: Simplify right side
    18,336.70x = 262,638,455.72
  5. Step 5: Solve for x
    x = 262,638,455.72/18,336.70
  6. Step 6: Final answer
    x = 14,323.10

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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.