Home / 23,631.61-32,611.62-13,021.15

Finding the Fourth Proportional to 23,631.61, 32,611.62 and 13,021.15

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Solution

The fourth proportional to 23,631.61, 32,611.62 and 13,021.15 is: 17,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,631.61 : 32,611.62 = 13,021.15 : x
  2. Step 2: Convert to fraction form
    23,631.61/32,611.62 = 13,021.15/x
  3. Step 3: Cross multiply
    23,631.61x = 32,611.62 × 13,021.15
  4. Step 4: Simplify right side
    23,631.61x = 424,640,795.76
  5. Step 5: Solve for x
    x = 424,640,795.76/23,631.61
  6. Step 6: Final answer
    x = 17,969.19

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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.