Home / 13,753.32-20,630.04-4,984.80

Finding the Fourth Proportional to 13,753.32, 20,630.04 and 4,984.80

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Solution

The fourth proportional to 13,753.32, 20,630.04 and 4,984.80 is: 7,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.32 : 20,630.04 = 4,984.80 : x
  2. Step 2: Convert to fraction form
    13,753.32/20,630.04 = 4,984.80/x
  3. Step 3: Cross multiply
    13,753.32x = 20,630.04 × 4,984.80
  4. Step 4: Simplify right side
    13,753.32x = 102,836,623.39
  5. Step 5: Solve for x
    x = 102,836,623.39/13,753.32
  6. Step 6: Final answer
    x = 7,477.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.