Home / 13,346.64-18,412.44-8,803.44

Finding the Fourth Proportional to 13,346.64, 18,412.44 and 8,803.44

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Solution

The fourth proportional to 13,346.64, 18,412.44 and 8,803.44 is: 12,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.64 : 18,412.44 = 8,803.44 : x
  2. Step 2: Convert to fraction form
    13,346.64/18,412.44 = 8,803.44/x
  3. Step 3: Cross multiply
    13,346.64x = 18,412.44 × 8,803.44
  4. Step 4: Simplify right side
    13,346.64x = 162,092,810.79
  5. Step 5: Solve for x
    x = 162,092,810.79/13,346.64
  6. Step 6: Final answer
    x = 12,144.84

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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.