Home / 13,360.98-20,045.31-4,001.70

Finding the Fourth Proportional to 13,360.98, 20,045.31 and 4,001.70

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Solution

The fourth proportional to 13,360.98, 20,045.31 and 4,001.70 is: 6,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.98 : 20,045.31 = 4,001.70 : x
  2. Step 2: Convert to fraction form
    13,360.98/20,045.31 = 4,001.70/x
  3. Step 3: Cross multiply
    13,360.98x = 20,045.31 × 4,001.70
  4. Step 4: Simplify right side
    13,360.98x = 80,215,317.03
  5. Step 5: Solve for x
    x = 80,215,317.03/13,360.98
  6. Step 6: Final answer
    x = 6,003.70

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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.