Home / 16,982.74-23,434.44-9,428.88

Finding the Fourth Proportional to 16,982.74, 23,434.44 and 9,428.88

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Solution

The fourth proportional to 16,982.74, 23,434.44 and 9,428.88 is: 13,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.74 : 23,434.44 = 9,428.88 : x
  2. Step 2: Convert to fraction form
    16,982.74/23,434.44 = 9,428.88/x
  3. Step 3: Cross multiply
    16,982.74x = 23,434.44 × 9,428.88
  4. Step 4: Simplify right side
    16,982.74x = 220,960,522.63
  5. Step 5: Solve for x
    x = 220,960,522.63/16,982.74
  6. Step 6: Final answer
    x = 13,010.89

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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.