Home / 55,645.77-83,467.90-13,525.73

Finding the Fourth Proportional to 55,645.77, 83,467.90 and 13,525.73

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Solution

The fourth proportional to 55,645.77, 83,467.90 and 13,525.73 is: 20,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.77 : 83,467.90 = 13,525.73 : x
  2. Step 2: Convert to fraction form
    55,645.77/83,467.90 = 13,525.73/x
  3. Step 3: Cross multiply
    55,645.77x = 83,467.90 × 13,525.73
  4. Step 4: Simplify right side
    55,645.77x = 1,128,964,279.07
  5. Step 5: Solve for x
    x = 1,128,964,279.07/55,645.77
  6. Step 6: Final answer
    x = 20,288.41

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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.