Home / 21,182.41-29,235.23-11,754.01

Finding the Fourth Proportional to 21,182.41, 29,235.23 and 11,754.01

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Solution

The fourth proportional to 21,182.41, 29,235.23 and 11,754.01 is: 16,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182.41 : 29,235.23 = 11,754.01 : x
  2. Step 2: Convert to fraction form
    21,182.41/29,235.23 = 11,754.01/x
  3. Step 3: Cross multiply
    21,182.41x = 29,235.23 × 11,754.01
  4. Step 4: Simplify right side
    21,182.41x = 343,631,185.77
  5. Step 5: Solve for x
    x = 343,631,185.77/21,182.41
  6. Step 6: Final answer
    x = 16,222.48

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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.