Home / 15,996.40-24,005.40-9,415.60

Finding the Fourth Proportional to 15,996.40, 24,005.40 and 9,415.60

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Solution

The fourth proportional to 15,996.40, 24,005.40 and 9,415.60 is: 14,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.40 : 24,005.40 = 9,415.60 : x
  2. Step 2: Convert to fraction form
    15,996.40/24,005.40 = 9,415.60/x
  3. Step 3: Cross multiply
    15,996.40x = 24,005.40 × 9,415.60
  4. Step 4: Simplify right side
    15,996.40x = 226,025,244.24
  5. Step 5: Solve for x
    x = 226,025,244.24/15,996.40
  6. Step 6: Final answer
    x = 14,129.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.