Home / 26,475.18-39,652.29-12,633.90

Finding the Fourth Proportional to 26,475.18, 39,652.29 and 12,633.90

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Solution

The fourth proportional to 26,475.18, 39,652.29 and 12,633.90 is: 18,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.18 : 39,652.29 = 12,633.90 : x
  2. Step 2: Convert to fraction form
    26,475.18/39,652.29 = 12,633.90/x
  3. Step 3: Cross multiply
    26,475.18x = 39,652.29 × 12,633.90
  4. Step 4: Simplify right side
    26,475.18x = 500,963,066.63
  5. Step 5: Solve for x
    x = 500,963,066.63/26,475.18
  6. Step 6: Final answer
    x = 18,921.99

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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.