Home / 13,708.03-18,907.30-9,460.70

Finding the Fourth Proportional to 13,708.03, 18,907.30 and 9,460.70

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Solution

The fourth proportional to 13,708.03, 18,907.30 and 9,460.70 is: 13,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.03 : 18,907.30 = 9,460.70 : x
  2. Step 2: Convert to fraction form
    13,708.03/18,907.30 = 9,460.70/x
  3. Step 3: Cross multiply
    13,708.03x = 18,907.30 × 9,460.70
  4. Step 4: Simplify right side
    13,708.03x = 178,876,293.11
  5. Step 5: Solve for x
    x = 178,876,293.11/13,708.03
  6. Step 6: Final answer
    x = 13,049.02

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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.