Home / 17,308.50-23,885.84-10,142.64

Finding the Fourth Proportional to 17,308.50, 23,885.84 and 10,142.64

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Solution

The fourth proportional to 17,308.50, 23,885.84 and 10,142.64 is: 13,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,308.50 : 23,885.84 = 10,142.64 : x
  2. Step 2: Convert to fraction form
    17,308.50/23,885.84 = 10,142.64/x
  3. Step 3: Cross multiply
    17,308.50x = 23,885.84 × 10,142.64
  4. Step 4: Simplify right side
    17,308.50x = 242,265,425.50
  5. Step 5: Solve for x
    x = 242,265,425.50/17,308.50
  6. Step 6: Final answer
    x = 13,996.90

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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.