Home / 13,765.51-20,636.09-5,970.07

Finding the Fourth Proportional to 13,765.51, 20,636.09 and 5,970.07

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Solution

The fourth proportional to 13,765.51, 20,636.09 and 5,970.07 is: 8,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.51 : 20,636.09 = 5,970.07 : x
  2. Step 2: Convert to fraction form
    13,765.51/20,636.09 = 5,970.07/x
  3. Step 3: Cross multiply
    13,765.51x = 20,636.09 × 5,970.07
  4. Step 4: Simplify right side
    13,765.51x = 123,198,901.83
  5. Step 5: Solve for x
    x = 123,198,901.83/13,765.51
  6. Step 6: Final answer
    x = 8,949.82

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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.