Home / 55,426.45-83,151.96-15,980.49

Finding the Fourth Proportional to 55,426.45, 83,151.96 and 15,980.49

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Solution

The fourth proportional to 55,426.45, 83,151.96 and 15,980.49 is: 23,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,426.45 : 83,151.96 = 15,980.49 : x
  2. Step 2: Convert to fraction form
    55,426.45/83,151.96 = 15,980.49/x
  3. Step 3: Cross multiply
    55,426.45x = 83,151.96 × 15,980.49
  4. Step 4: Simplify right side
    55,426.45x = 1,328,809,065.26
  5. Step 5: Solve for x
    x = 1,328,809,065.26/55,426.45
  6. Step 6: Final answer
    x = 23,974.28

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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.