Home / 23,631.31-32,611.35-13,020.90

Finding the Fourth Proportional to 23,631.31, 32,611.35 and 13,020.90

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Solution

The fourth proportional to 23,631.31, 32,611.35 and 13,020.90 is: 17,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,631.31 : 32,611.35 = 13,020.90 : x
  2. Step 2: Convert to fraction form
    23,631.31/32,611.35 = 13,020.90/x
  3. Step 3: Cross multiply
    23,631.31x = 32,611.35 × 13,020.90
  4. Step 4: Simplify right side
    23,631.31x = 424,629,127.22
  5. Step 5: Solve for x
    x = 424,629,127.22/23,631.31
  6. Step 6: Final answer
    x = 17,968.92

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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.