Home / 23,788.89-32,828.90-13,179.51

Finding the Fourth Proportional to 23,788.89, 32,828.90 and 13,179.51

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Solution

The fourth proportional to 23,788.89, 32,828.90 and 13,179.51 is: 18,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.89 : 32,828.90 = 13,179.51 : x
  2. Step 2: Convert to fraction form
    23,788.89/32,828.90 = 13,179.51/x
  3. Step 3: Cross multiply
    23,788.89x = 32,828.90 × 13,179.51
  4. Step 4: Simplify right side
    23,788.89x = 432,668,749.94
  5. Step 5: Solve for x
    x = 432,668,749.94/23,788.89
  6. Step 6: Final answer
    x = 18,187.85

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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.