Home / 18,827.22-25,983-10,443.72

Finding the Fourth Proportional to 18,827.22, 25,983 and 10,443.72

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Solution

The fourth proportional to 18,827.22, 25,983 and 10,443.72 is: 14,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.22 : 25,983 = 10,443.72 : x
  2. Step 2: Convert to fraction form
    18,827.22/25,983 = 10,443.72/x
  3. Step 3: Cross multiply
    18,827.22x = 25,983 × 10,443.72
  4. Step 4: Simplify right side
    18,827.22x = 271,359,176.76
  5. Step 5: Solve for x
    x = 271,359,176.76/18,827.22
  6. Step 6: Final answer
    x = 14,413.13

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Double scale
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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.