Home / 14,585.97-21,879.21-4,590.47

Finding the Fourth Proportional to 14,585.97, 21,879.21 and 4,590.47

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Solution

The fourth proportional to 14,585.97, 21,879.21 and 4,590.47 is: 6,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.97 : 21,879.21 = 4,590.47 : x
  2. Step 2: Convert to fraction form
    14,585.97/21,879.21 = 4,590.47/x
  3. Step 3: Cross multiply
    14,585.97x = 21,879.21 × 4,590.47
  4. Step 4: Simplify right side
    14,585.97x = 100,435,929.04
  5. Step 5: Solve for x
    x = 100,435,929.04/14,585.97
  6. Step 6: Final answer
    x = 6,885.79

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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.