Home / 21,577.08-32,324.16-13,232.77

Finding the Fourth Proportional to 21,577.08, 32,324.16 and 13,232.77

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Solution

The fourth proportional to 21,577.08, 32,324.16 and 13,232.77 is: 19,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.08 : 32,324.16 = 13,232.77 : x
  2. Step 2: Convert to fraction form
    21,577.08/32,324.16 = 13,232.77/x
  3. Step 3: Cross multiply
    21,577.08x = 32,324.16 × 13,232.77
  4. Step 4: Simplify right side
    21,577.08x = 427,738,174.72
  5. Step 5: Solve for x
    x = 427,738,174.72/21,577.08
  6. Step 6: Final answer
    x = 19,823.73

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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.