Home / 13,761.51-20,650.50-5,970.33

Finding the Fourth Proportional to 13,761.51, 20,650.50 and 5,970.33

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Solution

The fourth proportional to 13,761.51, 20,650.50 and 5,970.33 is: 8,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.51 : 20,650.50 = 5,970.33 : x
  2. Step 2: Convert to fraction form
    13,761.51/20,650.50 = 5,970.33/x
  3. Step 3: Cross multiply
    13,761.51x = 20,650.50 × 5,970.33
  4. Step 4: Simplify right side
    13,761.51x = 123,290,299.67
  5. Step 5: Solve for x
    x = 123,290,299.67/13,761.51
  6. Step 6: Final answer
    x = 8,959.07

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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.