Home / 26,127.12-39,178.34-10,124.16

Finding the Fourth Proportional to 26,127.12, 39,178.34 and 10,124.16

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Solution

The fourth proportional to 26,127.12, 39,178.34 and 10,124.16 is: 15,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,127.12 : 39,178.34 = 10,124.16 : x
  2. Step 2: Convert to fraction form
    26,127.12/39,178.34 = 10,124.16/x
  3. Step 3: Cross multiply
    26,127.12x = 39,178.34 × 10,124.16
  4. Step 4: Simplify right side
    26,127.12x = 396,647,782.69
  5. Step 5: Solve for x
    x = 396,647,782.69/26,127.12
  6. Step 6: Final answer
    x = 15,181.46

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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.