Home / 26,135.87-39,204.20-9,485.51

Finding the Fourth Proportional to 26,135.87, 39,204.20 and 9,485.51

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Solution

The fourth proportional to 26,135.87, 39,204.20 and 9,485.51 is: 14,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.87 : 39,204.20 = 9,485.51 : x
  2. Step 2: Convert to fraction form
    26,135.87/39,204.20 = 9,485.51/x
  3. Step 3: Cross multiply
    26,135.87x = 39,204.20 × 9,485.51
  4. Step 4: Simplify right side
    26,135.87x = 371,871,658.83
  5. Step 5: Solve for x
    x = 371,871,658.83/26,135.87
  6. Step 6: Final answer
    x = 14,228.40

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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.