Home / 12,433.76-18,650.70-4,642.50

Finding the Fourth Proportional to 12,433.76, 18,650.70 and 4,642.50

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Solution

The fourth proportional to 12,433.76, 18,650.70 and 4,642.50 is: 6,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.76 : 18,650.70 = 4,642.50 : x
  2. Step 2: Convert to fraction form
    12,433.76/18,650.70 = 4,642.50/x
  3. Step 3: Cross multiply
    12,433.76x = 18,650.70 × 4,642.50
  4. Step 4: Simplify right side
    12,433.76x = 86,585,874.75
  5. Step 5: Solve for x
    x = 86,585,874.75/12,433.76
  6. Step 6: Final answer
    x = 6,963.77

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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.