Home / 14,590.12-20,142.66-9,636.52

Finding the Fourth Proportional to 14,590.12, 20,142.66 and 9,636.52

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Solution

The fourth proportional to 14,590.12, 20,142.66 and 9,636.52 is: 13,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.12 : 20,142.66 = 9,636.52 : x
  2. Step 2: Convert to fraction form
    14,590.12/20,142.66 = 9,636.52/x
  3. Step 3: Cross multiply
    14,590.12x = 20,142.66 × 9,636.52
  4. Step 4: Simplify right side
    14,590.12x = 194,105,145.94
  5. Step 5: Solve for x
    x = 194,105,145.94/14,590.12
  6. Step 6: Final answer
    x = 13,303.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.