Home / 19,552.90-29,328.09-8,451.76

Finding the Fourth Proportional to 19,552.90, 29,328.09 and 8,451.76

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Solution

The fourth proportional to 19,552.90, 29,328.09 and 8,451.76 is: 12,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.90 : 29,328.09 = 8,451.76 : x
  2. Step 2: Convert to fraction form
    19,552.90/29,328.09 = 8,451.76/x
  3. Step 3: Cross multiply
    19,552.90x = 29,328.09 × 8,451.76
  4. Step 4: Simplify right side
    19,552.90x = 247,873,977.94
  5. Step 5: Solve for x
    x = 247,873,977.94/19,552.90
  6. Step 6: Final answer
    x = 12,677.10

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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.