Home / 21,923.82-32,904.10-11,400.30

Finding the Fourth Proportional to 21,923.82, 32,904.10 and 11,400.30

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Solution

The fourth proportional to 21,923.82, 32,904.10 and 11,400.30 is: 17,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.82 : 32,904.10 = 11,400.30 : x
  2. Step 2: Convert to fraction form
    21,923.82/32,904.10 = 11,400.30/x
  3. Step 3: Cross multiply
    21,923.82x = 32,904.10 × 11,400.30
  4. Step 4: Simplify right side
    21,923.82x = 375,116,611.23
  5. Step 5: Solve for x
    x = 375,116,611.23/21,923.82
  6. Step 6: Final answer
    x = 17,110.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.