Home / 26,133.68-39,186.12-13,622.48

Finding the Fourth Proportional to 26,133.68, 39,186.12 and 13,622.48

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Solution

The fourth proportional to 26,133.68, 39,186.12 and 13,622.48 is: 20,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,133.68 : 39,186.12 = 13,622.48 : x
  2. Step 2: Convert to fraction form
    26,133.68/39,186.12 = 13,622.48/x
  3. Step 3: Cross multiply
    26,133.68x = 39,186.12 × 13,622.48
  4. Step 4: Simplify right side
    26,133.68x = 533,812,135.98
  5. Step 5: Solve for x
    x = 533,812,135.98/26,133.68
  6. Step 6: Final answer
    x = 20,426.21

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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.