Home / 14,590.58-21,885.68-6,690.86

Finding the Fourth Proportional to 14,590.58, 21,885.68 and 6,690.86

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Solution

The fourth proportional to 14,590.58, 21,885.68 and 6,690.86 is: 10,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.58 : 21,885.68 = 6,690.86 : x
  2. Step 2: Convert to fraction form
    14,590.58/21,885.68 = 6,690.86/x
  3. Step 3: Cross multiply
    14,590.58x = 21,885.68 × 6,690.86
  4. Step 4: Simplify right side
    14,590.58x = 146,433,878.00
  5. Step 5: Solve for x
    x = 146,433,878.00/14,590.58
  6. Step 6: Final answer
    x = 10,036.20

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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.