Home / 31,682.32-47,528.61-11,962.60

Finding the Fourth Proportional to 31,682.32, 47,528.61 and 11,962.60

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Solution

The fourth proportional to 31,682.32, 47,528.61 and 11,962.60 is: 17,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.32 : 47,528.61 = 11,962.60 : x
  2. Step 2: Convert to fraction form
    31,682.32/47,528.61 = 11,962.60/x
  3. Step 3: Cross multiply
    31,682.32x = 47,528.61 × 11,962.60
  4. Step 4: Simplify right side
    31,682.32x = 568,565,749.99
  5. Step 5: Solve for x
    x = 568,565,749.99/31,682.32
  6. Step 6: Final answer
    x = 17,945.84

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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.