Home / 21,192.79-29,245.05-11,632.46

Finding the Fourth Proportional to 21,192.79, 29,245.05 and 11,632.46

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Solution

The fourth proportional to 21,192.79, 29,245.05 and 11,632.46 is: 16,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.79 : 29,245.05 = 11,632.46 : x
  2. Step 2: Convert to fraction form
    21,192.79/29,245.05 = 11,632.46/x
  3. Step 3: Cross multiply
    21,192.79x = 29,245.05 × 11,632.46
  4. Step 4: Simplify right side
    21,192.79x = 340,191,892.60
  5. Step 5: Solve for x
    x = 340,191,892.60/21,192.79
  6. Step 6: Final answer
    x = 16,052.25

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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.