Home / 14,880.15-20,535.20-8,166.02

Finding the Fourth Proportional to 14,880.15, 20,535.20 and 8,166.02

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Solution

The fourth proportional to 14,880.15, 20,535.20 and 8,166.02 is: 11,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.15 : 20,535.20 = 8,166.02 : x
  2. Step 2: Convert to fraction form
    14,880.15/20,535.20 = 8,166.02/x
  3. Step 3: Cross multiply
    14,880.15x = 20,535.20 × 8,166.02
  4. Step 4: Simplify right side
    14,880.15x = 167,690,756.48
  5. Step 5: Solve for x
    x = 167,690,756.48/14,880.15
  6. Step 6: Final answer
    x = 11,269.43

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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.