Home / 21,699.04-29,944.72-11,763.04

Finding the Fourth Proportional to 21,699.04, 29,944.72 and 11,763.04

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Solution

The fourth proportional to 21,699.04, 29,944.72 and 11,763.04 is: 16,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699.04 : 29,944.72 = 11,763.04 : x
  2. Step 2: Convert to fraction form
    21,699.04/29,944.72 = 11,763.04/x
  3. Step 3: Cross multiply
    21,699.04x = 29,944.72 × 11,763.04
  4. Step 4: Simplify right side
    21,699.04x = 352,240,939.15
  5. Step 5: Solve for x
    x = 352,240,939.15/21,699.04
  6. Step 6: Final answer
    x = 16,233.02

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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.