Home / 12,950.89-19,423.51-4,631.49

Finding the Fourth Proportional to 12,950.89, 19,423.51 and 4,631.49

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Solution

The fourth proportional to 12,950.89, 19,423.51 and 4,631.49 is: 6,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.89 : 19,423.51 = 4,631.49 : x
  2. Step 2: Convert to fraction form
    12,950.89/19,423.51 = 4,631.49/x
  3. Step 3: Cross multiply
    12,950.89x = 19,423.51 × 4,631.49
  4. Step 4: Simplify right side
    12,950.89x = 89,959,792.33
  5. Step 5: Solve for x
    x = 89,959,792.33/12,950.89
  6. Step 6: Final answer
    x = 6,946.22

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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.