Home / 23,631.68-32,611.82-13,021.32

Finding the Fourth Proportional to 23,631.68, 32,611.82 and 13,021.32

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Solution

The fourth proportional to 23,631.68, 32,611.82 and 13,021.32 is: 17,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,631.68 : 32,611.82 = 13,021.32 : x
  2. Step 2: Convert to fraction form
    23,631.68/32,611.82 = 13,021.32/x
  3. Step 3: Cross multiply
    23,631.68x = 32,611.82 × 13,021.32
  4. Step 4: Simplify right side
    23,631.68x = 424,648,878.90
  5. Step 5: Solve for x
    x = 424,648,878.90/23,631.68
  6. Step 6: Final answer
    x = 17,969.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.