Home / 17,980.84-24,812.76-12,011.68

Finding the Fourth Proportional to 17,980.84, 24,812.76 and 12,011.68

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Solution

The fourth proportional to 17,980.84, 24,812.76 and 12,011.68 is: 16,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.84 : 24,812.76 = 12,011.68 : x
  2. Step 2: Convert to fraction form
    17,980.84/24,812.76 = 12,011.68/x
  3. Step 3: Cross multiply
    17,980.84x = 24,812.76 × 12,011.68
  4. Step 4: Simplify right side
    17,980.84x = 298,042,933.04
  5. Step 5: Solve for x
    x = 298,042,933.04/17,980.84
  6. Step 6: Final answer
    x = 16,575.58

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1.5x scale

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.