Home / 21,505.24-32,262.47-7,465.72

Finding the Fourth Proportional to 21,505.24, 32,262.47 and 7,465.72

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Solution

The fourth proportional to 21,505.24, 32,262.47 and 7,465.72 is: 11,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.24 : 32,262.47 = 7,465.72 : x
  2. Step 2: Convert to fraction form
    21,505.24/32,262.47 = 7,465.72/x
  3. Step 3: Cross multiply
    21,505.24x = 32,262.47 × 7,465.72
  4. Step 4: Simplify right side
    21,505.24x = 240,862,424.88
  5. Step 5: Solve for x
    x = 240,862,424.88/21,505.24
  6. Step 6: Final answer
    x = 11,200.17

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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.