Home / 18,416.46-25,413.80-10,457.64

Finding the Fourth Proportional to 18,416.46, 25,413.80 and 10,457.64

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Solution

The fourth proportional to 18,416.46, 25,413.80 and 10,457.64 is: 14,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.46 : 25,413.80 = 10,457.64 : x
  2. Step 2: Convert to fraction form
    18,416.46/25,413.80 = 10,457.64/x
  3. Step 3: Cross multiply
    18,416.46x = 25,413.80 × 10,457.64
  4. Step 4: Simplify right side
    18,416.46x = 265,768,371.43
  5. Step 5: Solve for x
    x = 265,768,371.43/18,416.46
  6. Step 6: Final answer
    x = 14,431.02

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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.