Home / 23,890.07-32,969.42-13,279.88

Finding the Fourth Proportional to 23,890.07, 32,969.42 and 13,279.88

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Solution

The fourth proportional to 23,890.07, 32,969.42 and 13,279.88 is: 18,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890.07 : 32,969.42 = 13,279.88 : x
  2. Step 2: Convert to fraction form
    23,890.07/32,969.42 = 13,279.88/x
  3. Step 3: Cross multiply
    23,890.07x = 32,969.42 × 13,279.88
  4. Step 4: Simplify right side
    23,890.07x = 437,829,710.02
  5. Step 5: Solve for x
    x = 437,829,710.02/23,890.07
  6. Step 6: Final answer
    x = 18,326.85

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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.