Home / 14,816.33-20,445.70-8,100.71

Finding the Fourth Proportional to 14,816.33, 20,445.70 and 8,100.71

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Solution

The fourth proportional to 14,816.33, 20,445.70 and 8,100.71 is: 11,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.33 : 20,445.70 = 8,100.71 : x
  2. Step 2: Convert to fraction form
    14,816.33/20,445.70 = 8,100.71/x
  3. Step 3: Cross multiply
    14,816.33x = 20,445.70 × 8,100.71
  4. Step 4: Simplify right side
    14,816.33x = 165,624,686.45
  5. Step 5: Solve for x
    x = 165,624,686.45/14,816.33
  6. Step 6: Final answer
    x = 11,178.52

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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.