Home / 21,735.12-32,607.57-11,739.66

Finding the Fourth Proportional to 21,735.12, 32,607.57 and 11,739.66

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Solution

The fourth proportional to 21,735.12, 32,607.57 and 11,739.66 is: 17,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.12 : 32,607.57 = 11,739.66 : x
  2. Step 2: Convert to fraction form
    21,735.12/32,607.57 = 11,739.66/x
  3. Step 3: Cross multiply
    21,735.12x = 32,607.57 × 11,739.66
  4. Step 4: Simplify right side
    21,735.12x = 382,801,785.23
  5. Step 5: Solve for x
    x = 382,801,785.23/21,735.12
  6. Step 6: Final answer
    x = 17,612.13

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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.