Home / 14,388.72-21,575.74-6,590.85

Finding the Fourth Proportional to 14,388.72, 21,575.74 and 6,590.85

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Solution

The fourth proportional to 14,388.72, 21,575.74 and 6,590.85 is: 9,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.72 : 21,575.74 = 6,590.85 : x
  2. Step 2: Convert to fraction form
    14,388.72/21,575.74 = 6,590.85/x
  3. Step 3: Cross multiply
    14,388.72x = 21,575.74 × 6,590.85
  4. Step 4: Simplify right side
    14,388.72x = 142,202,465.98
  5. Step 5: Solve for x
    x = 142,202,465.98/14,388.72
  6. Step 6: Final answer
    x = 9,882.91

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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.