Home / 15,607.86-23,408.85-5,611.05

Finding the Fourth Proportional to 15,607.86, 23,408.85 and 5,611.05

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Solution

The fourth proportional to 15,607.86, 23,408.85 and 5,611.05 is: 8,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.86 : 23,408.85 = 5,611.05 : x
  2. Step 2: Convert to fraction form
    15,607.86/23,408.85 = 5,611.05/x
  3. Step 3: Cross multiply
    15,607.86x = 23,408.85 × 5,611.05
  4. Step 4: Simplify right side
    15,607.86x = 131,348,227.79
  5. Step 5: Solve for x
    x = 131,348,227.79/15,607.86
  6. Step 6: Final answer
    x = 8,415.52

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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.