Home / 12,951.77-19,422.90-4,629.53

Finding the Fourth Proportional to 12,951.77, 19,422.90 and 4,629.53

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Solution

The fourth proportional to 12,951.77, 19,422.90 and 4,629.53 is: 6,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.77 : 19,422.90 = 4,629.53 : x
  2. Step 2: Convert to fraction form
    12,951.77/19,422.90 = 4,629.53/x
  3. Step 3: Cross multiply
    12,951.77x = 19,422.90 × 4,629.53
  4. Step 4: Simplify right side
    12,951.77x = 89,918,946.79
  5. Step 5: Solve for x
    x = 89,918,946.79/12,951.77
  6. Step 6: Final answer
    x = 6,942.60

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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.