Home / 29,417.85-40,580.33-18,642.96

Finding the Fourth Proportional to 29,417.85, 40,580.33 and 18,642.96

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Solution

The fourth proportional to 29,417.85, 40,580.33 and 18,642.96 is: 25,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,417.85 : 40,580.33 = 18,642.96 : x
  2. Step 2: Convert to fraction form
    29,417.85/40,580.33 = 18,642.96/x
  3. Step 3: Cross multiply
    29,417.85x = 40,580.33 × 18,642.96
  4. Step 4: Simplify right side
    29,417.85x = 756,537,375.76
  5. Step 5: Solve for x
    x = 756,537,375.76/29,417.85
  6. Step 6: Final answer
    x = 25,716.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.