Home / 21,455.67-29,608.86-12,024.23

Finding the Fourth Proportional to 21,455.67, 29,608.86 and 12,024.23

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Solution

The fourth proportional to 21,455.67, 29,608.86 and 12,024.23 is: 16,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.67 : 29,608.86 = 12,024.23 : x
  2. Step 2: Convert to fraction form
    21,455.67/29,608.86 = 12,024.23/x
  3. Step 3: Cross multiply
    21,455.67x = 29,608.86 × 12,024.23
  4. Step 4: Simplify right side
    21,455.67x = 356,023,720.57
  5. Step 5: Solve for x
    x = 356,023,720.57/21,455.67
  6. Step 6: Final answer
    x = 16,593.46

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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.