Home / 23,987.85-33,103.28-13,378.16

Finding the Fourth Proportional to 23,987.85, 33,103.28 and 13,378.16

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Solution

The fourth proportional to 23,987.85, 33,103.28 and 13,378.16 is: 18,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.85 : 33,103.28 = 13,378.16 : x
  2. Step 2: Convert to fraction form
    23,987.85/33,103.28 = 13,378.16/x
  3. Step 3: Cross multiply
    23,987.85x = 33,103.28 × 13,378.16
  4. Step 4: Simplify right side
    23,987.85x = 442,861,092.57
  5. Step 5: Solve for x
    x = 442,861,092.57/23,987.85
  6. Step 6: Final answer
    x = 18,461.89

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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.