Home / 29,856.12-41,184.32-18,658.68

Finding the Fourth Proportional to 29,856.12, 41,184.32 and 18,658.68

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Solution

The fourth proportional to 29,856.12, 41,184.32 and 18,658.68 is: 25,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,856.12 : 41,184.32 = 18,658.68 : x
  2. Step 2: Convert to fraction form
    29,856.12/41,184.32 = 18,658.68/x
  3. Step 3: Cross multiply
    29,856.12x = 41,184.32 × 18,658.68
  4. Step 4: Simplify right side
    29,856.12x = 768,445,047.90
  5. Step 5: Solve for x
    x = 768,445,047.90/29,856.12
  6. Step 6: Final answer
    x = 25,738.28

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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.