Home / 35,682.95-53,525.30-11,990.84

Finding the Fourth Proportional to 35,682.95, 53,525.30 and 11,990.84

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Solution

The fourth proportional to 35,682.95, 53,525.30 and 11,990.84 is: 17,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.95 : 53,525.30 = 11,990.84 : x
  2. Step 2: Convert to fraction form
    35,682.95/53,525.30 = 11,990.84/x
  3. Step 3: Cross multiply
    35,682.95x = 53,525.30 × 11,990.84
  4. Step 4: Simplify right side
    35,682.95x = 641,813,308.25
  5. Step 5: Solve for x
    x = 641,813,308.25/35,682.95
  6. Step 6: Final answer
    x = 17,986.55

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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.