Home / 18,652.86-25,740.90-10,269.36

Finding the Fourth Proportional to 18,652.86, 25,740.90 and 10,269.36

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Solution

The fourth proportional to 18,652.86, 25,740.90 and 10,269.36 is: 14,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.86 : 25,740.90 = 10,269.36 : x
  2. Step 2: Convert to fraction form
    18,652.86/25,740.90 = 10,269.36/x
  3. Step 3: Cross multiply
    18,652.86x = 25,740.90 × 10,269.36
  4. Step 4: Simplify right side
    18,652.86x = 264,342,568.82
  5. Step 5: Solve for x
    x = 264,342,568.82/18,652.86
  6. Step 6: Final answer
    x = 14,171.69

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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.