Home / 16,090.82-24,129.92-5,415.02

Finding the Fourth Proportional to 16,090.82, 24,129.92 and 5,415.02

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Solution

The fourth proportional to 16,090.82, 24,129.92 and 5,415.02 is: 8,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,090.82 : 24,129.92 = 5,415.02 : x
  2. Step 2: Convert to fraction form
    16,090.82/24,129.92 = 5,415.02/x
  3. Step 3: Cross multiply
    16,090.82x = 24,129.92 × 5,415.02
  4. Step 4: Simplify right side
    16,090.82x = 130,663,851.67
  5. Step 5: Solve for x
    x = 130,663,851.67/16,090.82
  6. Step 6: Final answer
    x = 8,120.40

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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.