Home / 39,115.79-58,666.22-11,028.93

Finding the Fourth Proportional to 39,115.79, 58,666.22 and 11,028.93

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Solution

The fourth proportional to 39,115.79, 58,666.22 and 11,028.93 is: 16,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.79 : 58,666.22 = 11,028.93 : x
  2. Step 2: Convert to fraction form
    39,115.79/58,666.22 = 11,028.93/x
  3. Step 3: Cross multiply
    39,115.79x = 58,666.22 × 11,028.93
  4. Step 4: Simplify right side
    39,115.79x = 647,025,633.74
  5. Step 5: Solve for x
    x = 647,025,633.74/39,115.79
  6. Step 6: Final answer
    x = 16,541.29

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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.