Home / 14,803.48-20,433.36-8,520.04

Finding the Fourth Proportional to 14,803.48, 20,433.36 and 8,520.04

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Solution

The fourth proportional to 14,803.48, 20,433.36 and 8,520.04 is: 11,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.48 : 20,433.36 = 8,520.04 : x
  2. Step 2: Convert to fraction form
    14,803.48/20,433.36 = 8,520.04/x
  3. Step 3: Cross multiply
    14,803.48x = 20,433.36 × 8,520.04
  4. Step 4: Simplify right side
    14,803.48x = 174,093,044.53
  5. Step 5: Solve for x
    x = 174,093,044.53/14,803.48
  6. Step 6: Final answer
    x = 11,760.28

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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.