Home / 14,937.78-22,408.50-6,178.86

Finding the Fourth Proportional to 14,937.78, 22,408.50 and 6,178.86

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Solution

The fourth proportional to 14,937.78, 22,408.50 and 6,178.86 is: 9,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.78 : 22,408.50 = 6,178.86 : x
  2. Step 2: Convert to fraction form
    14,937.78/22,408.50 = 6,178.86/x
  3. Step 3: Cross multiply
    14,937.78x = 22,408.50 × 6,178.86
  4. Step 4: Simplify right side
    14,937.78x = 138,458,984.31
  5. Step 5: Solve for x
    x = 138,458,984.31/14,937.78
  6. Step 6: Final answer
    x = 9,269.05

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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.