Home / 18,366.21-25,345.35-10,409.18

Finding the Fourth Proportional to 18,366.21, 25,345.35 and 10,409.18

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Solution

The fourth proportional to 18,366.21, 25,345.35 and 10,409.18 is: 14,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.21 : 25,345.35 = 10,409.18 : x
  2. Step 2: Convert to fraction form
    18,366.21/25,345.35 = 10,409.18/x
  3. Step 3: Cross multiply
    18,366.21x = 25,345.35 × 10,409.18
  4. Step 4: Simplify right side
    18,366.21x = 263,824,183.59
  5. Step 5: Solve for x
    x = 263,824,183.59/18,366.21
  6. Step 6: Final answer
    x = 14,364.65

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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.