Home / 29,415.50-40,593.64-15,986.77

Finding the Fourth Proportional to 29,415.50, 40,593.64 and 15,986.77

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Solution

The fourth proportional to 29,415.50, 40,593.64 and 15,986.77 is: 22,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.50 : 40,593.64 = 15,986.77 : x
  2. Step 2: Convert to fraction form
    29,415.50/40,593.64 = 15,986.77/x
  3. Step 3: Cross multiply
    29,415.50x = 40,593.64 × 15,986.77
  4. Step 4: Simplify right side
    29,415.50x = 648,961,074.67
  5. Step 5: Solve for x
    x = 648,961,074.67/29,415.50
  6. Step 6: Final answer
    x = 22,061.87

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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.