Home / 23,681.85-32,687.40-13,611.33

Finding the Fourth Proportional to 23,681.85, 32,687.40 and 13,611.33

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Solution

The fourth proportional to 23,681.85, 32,687.40 and 13,611.33 is: 18,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.85 : 32,687.40 = 13,611.33 : x
  2. Step 2: Convert to fraction form
    23,681.85/32,687.40 = 13,611.33/x
  3. Step 3: Cross multiply
    23,681.85x = 32,687.40 × 13,611.33
  4. Step 4: Simplify right side
    23,681.85x = 444,918,988.24
  5. Step 5: Solve for x
    x = 444,918,988.24/23,681.85
  6. Step 6: Final answer
    x = 18,787.34

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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.