Home / 23,988.48-33,104.88-13,378.56

Finding the Fourth Proportional to 23,988.48, 33,104.88 and 13,378.56

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Solution

The fourth proportional to 23,988.48, 33,104.88 and 13,378.56 is: 18,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.48 : 33,104.88 = 13,378.56 : x
  2. Step 2: Convert to fraction form
    23,988.48/33,104.88 = 13,378.56/x
  3. Step 3: Cross multiply
    23,988.48x = 33,104.88 × 13,378.56
  4. Step 4: Simplify right side
    23,988.48x = 442,895,623.37
  5. Step 5: Solve for x
    x = 442,895,623.37/23,988.48
  6. Step 6: Final answer
    x = 18,462.85

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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.