Home / 21,973.77-32,953.91-7,932.08

Finding the Fourth Proportional to 21,973.77, 32,953.91 and 7,932.08

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Solution

The fourth proportional to 21,973.77, 32,953.91 and 7,932.08 is: 11,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.77 : 32,953.91 = 7,932.08 : x
  2. Step 2: Convert to fraction form
    21,973.77/32,953.91 = 7,932.08/x
  3. Step 3: Cross multiply
    21,973.77x = 32,953.91 × 7,932.08
  4. Step 4: Simplify right side
    21,973.77x = 261,393,050.43
  5. Step 5: Solve for x
    x = 261,393,050.43/21,973.77
  6. Step 6: Final answer
    x = 11,895.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.