Home / 18,435.39-27,653.13-6,742.23

Finding the Fourth Proportional to 18,435.39, 27,653.13 and 6,742.23

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Solution

The fourth proportional to 18,435.39, 27,653.13 and 6,742.23 is: 10,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.39 : 27,653.13 = 6,742.23 : x
  2. Step 2: Convert to fraction form
    18,435.39/27,653.13 = 6,742.23/x
  3. Step 3: Cross multiply
    18,435.39x = 27,653.13 × 6,742.23
  4. Step 4: Simplify right side
    18,435.39x = 186,443,762.68
  5. Step 5: Solve for x
    x = 186,443,762.68/18,435.39
  6. Step 6: Final answer
    x = 10,113.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.