Home / 23,829.88-32,886.80-13,758.75

Finding the Fourth Proportional to 23,829.88, 32,886.80 and 13,758.75

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Solution

The fourth proportional to 23,829.88, 32,886.80 and 13,758.75 is: 18,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,829.88 : 32,886.80 = 13,758.75 : x
  2. Step 2: Convert to fraction form
    23,829.88/32,886.80 = 13,758.75/x
  3. Step 3: Cross multiply
    23,829.88x = 32,886.80 × 13,758.75
  4. Step 4: Simplify right side
    23,829.88x = 452,481,259.50
  5. Step 5: Solve for x
    x = 452,481,259.50/23,829.88
  6. Step 6: Final answer
    x = 18,987.98

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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.