Home / 21,192.95-29,245.69-11,632.83

Finding the Fourth Proportional to 21,192.95, 29,245.69 and 11,632.83

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Solution

The fourth proportional to 21,192.95, 29,245.69 and 11,632.83 is: 16,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.95 : 29,245.69 = 11,632.83 : x
  2. Step 2: Convert to fraction form
    21,192.95/29,245.69 = 11,632.83/x
  3. Step 3: Cross multiply
    21,192.95x = 29,245.69 × 11,632.83
  4. Step 4: Simplify right side
    21,192.95x = 340,209,993.77
  5. Step 5: Solve for x
    x = 340,209,993.77/21,192.95
  6. Step 6: Final answer
    x = 16,052.98

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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.