Home / 21,750.51-32,625.29-6,959.38

Finding the Fourth Proportional to 21,750.51, 32,625.29 and 6,959.38

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Solution

The fourth proportional to 21,750.51, 32,625.29 and 6,959.38 is: 10,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.51 : 32,625.29 = 6,959.38 : x
  2. Step 2: Convert to fraction form
    21,750.51/32,625.29 = 6,959.38/x
  3. Step 3: Cross multiply
    21,750.51x = 32,625.29 × 6,959.38
  4. Step 4: Simplify right side
    21,750.51x = 227,051,674.36
  5. Step 5: Solve for x
    x = 227,051,674.36/21,750.51
  6. Step 6: Final answer
    x = 10,438.91

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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.