Home / 13,324.48-19,949.72-8,649.92

Finding the Fourth Proportional to 13,324.48, 19,949.72 and 8,649.92

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Solution

The fourth proportional to 13,324.48, 19,949.72 and 8,649.92 is: 12,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.48 : 19,949.72 = 8,649.92 : x
  2. Step 2: Convert to fraction form
    13,324.48/19,949.72 = 8,649.92/x
  3. Step 3: Cross multiply
    13,324.48x = 19,949.72 × 8,649.92
  4. Step 4: Simplify right side
    13,324.48x = 172,563,482.02
  5. Step 5: Solve for x
    x = 172,563,482.02/13,324.48
  6. Step 6: Final answer
    x = 12,950.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.