Home / 21,455.01-32,191.80-11,601.27

Finding the Fourth Proportional to 21,455.01, 32,191.80 and 11,601.27

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Solution

The fourth proportional to 21,455.01, 32,191.80 and 11,601.27 is: 17,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.01 : 32,191.80 = 11,601.27 : x
  2. Step 2: Convert to fraction form
    21,455.01/32,191.80 = 11,601.27/x
  3. Step 3: Cross multiply
    21,455.01x = 32,191.80 × 11,601.27
  4. Step 4: Simplify right side
    21,455.01x = 373,465,763.59
  5. Step 5: Solve for x
    x = 373,465,763.59/21,455.01
  6. Step 6: Final answer
    x = 17,406.93

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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.