Home / 14,309.49-19,752.36-10,766.55

Finding the Fourth Proportional to 14,309.49, 19,752.36 and 10,766.55

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Solution

The fourth proportional to 14,309.49, 19,752.36 and 10,766.55 is: 14,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.49 : 19,752.36 = 10,766.55 : x
  2. Step 2: Convert to fraction form
    14,309.49/19,752.36 = 10,766.55/x
  3. Step 3: Cross multiply
    14,309.49x = 19,752.36 × 10,766.55
  4. Step 4: Simplify right side
    14,309.49x = 212,664,771.56
  5. Step 5: Solve for x
    x = 212,664,771.56/14,309.49
  6. Step 6: Final answer
    x = 14,861.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.