Home / 21,041.24-29,037.01-11,609.80

Finding the Fourth Proportional to 21,041.24, 29,037.01 and 11,609.80

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Solution

The fourth proportional to 21,041.24, 29,037.01 and 11,609.80 is: 16,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.24 : 29,037.01 = 11,609.80 : x
  2. Step 2: Convert to fraction form
    21,041.24/29,037.01 = 11,609.80/x
  3. Step 3: Cross multiply
    21,041.24x = 29,037.01 × 11,609.80
  4. Step 4: Simplify right side
    21,041.24x = 337,113,907.74
  5. Step 5: Solve for x
    x = 337,113,907.74/21,041.24
  6. Step 6: Final answer
    x = 16,021.58

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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.