Home / 55,706.88-83,542.26-18,256.80

Finding the Fourth Proportional to 55,706.88, 83,542.26 and 18,256.80

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Solution

The fourth proportional to 55,706.88, 83,542.26 and 18,256.80 is: 27,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,706.88 : 83,542.26 = 18,256.80 : x
  2. Step 2: Convert to fraction form
    55,706.88/83,542.26 = 18,256.80/x
  3. Step 3: Cross multiply
    55,706.88x = 83,542.26 × 18,256.80
  4. Step 4: Simplify right side
    55,706.88x = 1,525,214,332.37
  5. Step 5: Solve for x
    x = 1,525,214,332.37/55,706.88
  6. Step 6: Final answer
    x = 27,379.28

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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.