Home / 21,923.56-32,903.73-11,400.04

Finding the Fourth Proportional to 21,923.56, 32,903.73 and 11,400.04

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Solution

The fourth proportional to 21,923.56, 32,903.73 and 11,400.04 is: 17,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.56 : 32,903.73 = 11,400.04 : x
  2. Step 2: Convert to fraction form
    21,923.56/32,903.73 = 11,400.04/x
  3. Step 3: Cross multiply
    21,923.56x = 32,903.73 × 11,400.04
  4. Step 4: Simplify right side
    21,923.56x = 375,103,838.15
  5. Step 5: Solve for x
    x = 375,103,838.15/21,923.56
  6. Step 6: Final answer
    x = 17,109.62

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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.