Home / 16,744.48-23,115.92-12,959.20

Finding the Fourth Proportional to 16,744.48, 23,115.92 and 12,959.20

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Solution

The fourth proportional to 16,744.48, 23,115.92 and 12,959.20 is: 17,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,744.48 : 23,115.92 = 12,959.20 : x
  2. Step 2: Convert to fraction form
    16,744.48/23,115.92 = 12,959.20/x
  3. Step 3: Cross multiply
    16,744.48x = 23,115.92 × 12,959.20
  4. Step 4: Simplify right side
    16,744.48x = 299,563,830.46
  5. Step 5: Solve for x
    x = 299,563,830.46/16,744.48
  6. Step 6: Final answer
    x = 17,890.30

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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.