Home / 22,070.63-30,457.79-11,999.04

Finding the Fourth Proportional to 22,070.63, 30,457.79 and 11,999.04

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Solution

The fourth proportional to 22,070.63, 30,457.79 and 11,999.04 is: 16,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.63 : 30,457.79 = 11,999.04 : x
  2. Step 2: Convert to fraction form
    22,070.63/30,457.79 = 11,999.04/x
  3. Step 3: Cross multiply
    22,070.63x = 30,457.79 × 11,999.04
  4. Step 4: Simplify right side
    22,070.63x = 365,464,270.52
  5. Step 5: Solve for x
    x = 365,464,270.52/22,070.63
  6. Step 6: Final answer
    x = 16,558.85

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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.