Home / 22,070.42-30,457.08-11,998.84

Finding the Fourth Proportional to 22,070.42, 30,457.08 and 11,998.84

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Solution

The fourth proportional to 22,070.42, 30,457.08 and 11,998.84 is: 16,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.42 : 30,457.08 = 11,998.84 : x
  2. Step 2: Convert to fraction form
    22,070.42/30,457.08 = 11,998.84/x
  3. Step 3: Cross multiply
    22,070.42x = 30,457.08 × 11,998.84
  4. Step 4: Simplify right side
    22,070.42x = 365,449,629.79
  5. Step 5: Solve for x
    x = 365,449,629.79/22,070.42
  6. Step 6: Final answer
    x = 16,558.35

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Double scale
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Similar ratio
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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.