Home / 23,788.90-32,828.92-13,178.76

Finding the Fourth Proportional to 23,788.90, 32,828.92 and 13,178.76

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Solution

The fourth proportional to 23,788.90, 32,828.92 and 13,178.76 is: 18,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.90 : 32,828.92 = 13,178.76 : x
  2. Step 2: Convert to fraction form
    23,788.90/32,828.92 = 13,178.76/x
  3. Step 3: Cross multiply
    23,788.90x = 32,828.92 × 13,178.76
  4. Step 4: Simplify right side
    23,788.90x = 432,644,457.74
  5. Step 5: Solve for x
    x = 432,644,457.74/23,788.90
  6. Step 6: Final answer
    x = 18,186.82

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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.