Home / 22,070.48-30,457.87-11,999.60

Finding the Fourth Proportional to 22,070.48, 30,457.87 and 11,999.60

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Solution

The fourth proportional to 22,070.48, 30,457.87 and 11,999.60 is: 16,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.48 : 30,457.87 = 11,999.60 : x
  2. Step 2: Convert to fraction form
    22,070.48/30,457.87 = 11,999.60/x
  3. Step 3: Cross multiply
    22,070.48x = 30,457.87 × 11,999.60
  4. Step 4: Simplify right side
    22,070.48x = 365,482,120.71
  5. Step 5: Solve for x
    x = 365,482,120.71/22,070.48
  6. Step 6: Final answer
    x = 16,559.77

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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.