Home / 21,500.24-32,252.36-7,458.08

Finding the Fourth Proportional to 21,500.24, 32,252.36 and 7,458.08

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Solution

The fourth proportional to 21,500.24, 32,252.36 and 7,458.08 is: 11,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.24 : 32,252.36 = 7,458.08 : x
  2. Step 2: Convert to fraction form
    21,500.24/32,252.36 = 7,458.08/x
  3. Step 3: Cross multiply
    21,500.24x = 32,252.36 × 7,458.08
  4. Step 4: Simplify right side
    21,500.24x = 240,540,681.07
  5. Step 5: Solve for x
    x = 240,540,681.07/21,500.24
  6. Step 6: Final answer
    x = 11,187.81

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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.