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Finding the Fourth Proportional to 14,655.67, 20,224.79 and 7,941.41

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Solution

The fourth proportional to 14,655.67, 20,224.79 and 7,941.41 is: 10,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.67 : 20,224.79 = 7,941.41 : x
  2. Step 2: Convert to fraction form
    14,655.67/20,224.79 = 7,941.41/x
  3. Step 3: Cross multiply
    14,655.67x = 20,224.79 × 7,941.41
  4. Step 4: Simplify right side
    14,655.67x = 160,613,314.35
  5. Step 5: Solve for x
    x = 160,613,314.35/14,655.67
  6. Step 6: Final answer
    x = 10,959.13

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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.