Home / 23,790.39-32,828.20-13,178.98

Finding the Fourth Proportional to 23,790.39, 32,828.20 and 13,178.98

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Solution

The fourth proportional to 23,790.39, 32,828.20 and 13,178.98 is: 18,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,790.39 : 32,828.20 = 13,178.98 : x
  2. Step 2: Convert to fraction form
    23,790.39/32,828.20 = 13,178.98/x
  3. Step 3: Cross multiply
    23,790.39x = 32,828.20 × 13,178.98
  4. Step 4: Simplify right side
    23,790.39x = 432,642,273.46
  5. Step 5: Solve for x
    x = 432,642,273.46/23,790.39
  6. Step 6: Final answer
    x = 18,185.59

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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.