Home / 17,948.63-24,768.67-9,990.68

Finding the Fourth Proportional to 17,948.63, 24,768.67 and 9,990.68

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Solution

The fourth proportional to 17,948.63, 24,768.67 and 9,990.68 is: 13,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.63 : 24,768.67 = 9,990.68 : x
  2. Step 2: Convert to fraction form
    17,948.63/24,768.67 = 9,990.68/x
  3. Step 3: Cross multiply
    17,948.63x = 24,768.67 × 9,990.68
  4. Step 4: Simplify right side
    17,948.63x = 247,455,732.15
  5. Step 5: Solve for x
    x = 247,455,732.15/17,948.63
  6. Step 6: Final answer
    x = 13,786.89

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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.