Home / 13,703.58-18,901.26-13,246.38

Finding the Fourth Proportional to 13,703.58, 18,901.26 and 13,246.38

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Solution

The fourth proportional to 13,703.58, 18,901.26 and 13,246.38 is: 18,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.58 : 18,901.26 = 13,246.38 : x
  2. Step 2: Convert to fraction form
    13,703.58/18,901.26 = 13,246.38/x
  3. Step 3: Cross multiply
    13,703.58x = 18,901.26 × 13,246.38
  4. Step 4: Simplify right side
    13,703.58x = 250,373,272.44
  5. Step 5: Solve for x
    x = 250,373,272.44/13,703.58
  6. Step 6: Final answer
    x = 18,270.65

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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.