Home / 19,622.04-29,416.52-8,520.40

Finding the Fourth Proportional to 19,622.04, 29,416.52 and 8,520.40

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Solution

The fourth proportional to 19,622.04, 29,416.52 and 8,520.40 is: 12,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.04 : 29,416.52 = 8,520.40 : x
  2. Step 2: Convert to fraction form
    19,622.04/29,416.52 = 8,520.40/x
  3. Step 3: Cross multiply
    19,622.04x = 29,416.52 × 8,520.40
  4. Step 4: Simplify right side
    19,622.04x = 250,640,517.01
  5. Step 5: Solve for x
    x = 250,640,517.01/19,622.04
  6. Step 6: Final answer
    x = 12,773.42

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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.