Home / 18,276.27-25,218.41-10,318.32

Finding the Fourth Proportional to 18,276.27, 25,218.41 and 10,318.32

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Solution

The fourth proportional to 18,276.27, 25,218.41 and 10,318.32 is: 14,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.27 : 25,218.41 = 10,318.32 : x
  2. Step 2: Convert to fraction form
    18,276.27/25,218.41 = 10,318.32/x
  3. Step 3: Cross multiply
    18,276.27x = 25,218.41 × 10,318.32
  4. Step 4: Simplify right side
    18,276.27x = 260,211,572.68
  5. Step 5: Solve for x
    x = 260,211,572.68/18,276.27
  6. Step 6: Final answer
    x = 14,237.67

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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.