Home / 14,380.92-21,573.84-6,590.40

Finding the Fourth Proportional to 14,380.92, 21,573.84 and 6,590.40

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Solution

The fourth proportional to 14,380.92, 21,573.84 and 6,590.40 is: 9,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.92 : 21,573.84 = 6,590.40 : x
  2. Step 2: Convert to fraction form
    14,380.92/21,573.84 = 6,590.40/x
  3. Step 3: Cross multiply
    14,380.92x = 21,573.84 × 6,590.40
  4. Step 4: Simplify right side
    14,380.92x = 142,180,235.14
  5. Step 5: Solve for x
    x = 142,180,235.14/14,380.92
  6. Step 6: Final answer
    x = 9,886.73

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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.