Home / 35,826.80-53,740.20-13,632.80

Finding the Fourth Proportional to 35,826.80, 53,740.20 and 13,632.80

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Solution

The fourth proportional to 35,826.80, 53,740.20 and 13,632.80 is: 20,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,826.80 : 53,740.20 = 13,632.80 : x
  2. Step 2: Convert to fraction form
    35,826.80/53,740.20 = 13,632.80/x
  3. Step 3: Cross multiply
    35,826.80x = 53,740.20 × 13,632.80
  4. Step 4: Simplify right side
    35,826.80x = 732,629,398.56
  5. Step 5: Solve for x
    x = 732,629,398.56/35,826.80
  6. Step 6: Final answer
    x = 20,449.20

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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.