Home / 23,987.88-33,103.08-13,376.88

Finding the Fourth Proportional to 23,987.88, 33,103.08 and 13,376.88

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Solution

The fourth proportional to 23,987.88, 33,103.08 and 13,376.88 is: 18,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.88 : 33,103.08 = 13,376.88 : x
  2. Step 2: Convert to fraction form
    23,987.88/33,103.08 = 13,376.88/x
  3. Step 3: Cross multiply
    23,987.88x = 33,103.08 × 13,376.88
  4. Step 4: Simplify right side
    23,987.88x = 442,815,928.79
  5. Step 5: Solve for x
    x = 442,815,928.79/23,987.88
  6. Step 6: Final answer
    x = 18,459.99

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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.