Home / 18,653.39-25,741.04-10,155.36

Finding the Fourth Proportional to 18,653.39, 25,741.04 and 10,155.36

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Solution

The fourth proportional to 18,653.39, 25,741.04 and 10,155.36 is: 14,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.39 : 25,741.04 = 10,155.36 : x
  2. Step 2: Convert to fraction form
    18,653.39/25,741.04 = 10,155.36/x
  3. Step 3: Cross multiply
    18,653.39x = 25,741.04 × 10,155.36
  4. Step 4: Simplify right side
    18,653.39x = 261,409,573.73
  5. Step 5: Solve for x
    x = 261,409,573.73/18,653.39
  6. Step 6: Final answer
    x = 14,014.05

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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.