Home / 14,695.96-20,283.78-8,411.80

Finding the Fourth Proportional to 14,695.96, 20,283.78 and 8,411.80

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Solution

The fourth proportional to 14,695.96, 20,283.78 and 8,411.80 is: 11,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.96 : 20,283.78 = 8,411.80 : x
  2. Step 2: Convert to fraction form
    14,695.96/20,283.78 = 8,411.80/x
  3. Step 3: Cross multiply
    14,695.96x = 20,283.78 × 8,411.80
  4. Step 4: Simplify right side
    14,695.96x = 170,623,100.60
  5. Step 5: Solve for x
    x = 170,623,100.60/14,695.96
  6. Step 6: Final answer
    x = 11,610.20

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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.