Home / 21,024.37-29,013.42-12,074.68

Finding the Fourth Proportional to 21,024.37, 29,013.42 and 12,074.68

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Solution

The fourth proportional to 21,024.37, 29,013.42 and 12,074.68 is: 16,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.37 : 29,013.42 = 12,074.68 : x
  2. Step 2: Convert to fraction form
    21,024.37/29,013.42 = 12,074.68/x
  3. Step 3: Cross multiply
    21,024.37x = 29,013.42 × 12,074.68
  4. Step 4: Simplify right side
    21,024.37x = 350,327,762.21
  5. Step 5: Solve for x
    x = 350,327,762.21/21,024.37
  6. Step 6: Final answer
    x = 16,662.94

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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.