Home / 20,226.08-30,352.88-12,411.04

Finding the Fourth Proportional to 20,226.08, 30,352.88 and 12,411.04

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Solution

The fourth proportional to 20,226.08, 30,352.88 and 12,411.04 is: 18,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.08 : 30,352.88 = 12,411.04 : x
  2. Step 2: Convert to fraction form
    20,226.08/30,352.88 = 12,411.04/x
  3. Step 3: Cross multiply
    20,226.08x = 30,352.88 × 12,411.04
  4. Step 4: Simplify right side
    20,226.08x = 376,710,807.80
  5. Step 5: Solve for x
    x = 376,710,807.80/20,226.08
  6. Step 6: Final answer
    x = 18,625.00

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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.