Home / 21,518.31-32,276.64-5,935.53

Finding the Fourth Proportional to 21,518.31, 32,276.64 and 5,935.53

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Solution

The fourth proportional to 21,518.31, 32,276.64 and 5,935.53 is: 8,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.31 : 32,276.64 = 5,935.53 : x
  2. Step 2: Convert to fraction form
    21,518.31/32,276.64 = 5,935.53/x
  3. Step 3: Cross multiply
    21,518.31x = 32,276.64 × 5,935.53
  4. Step 4: Simplify right side
    21,518.31x = 191,578,965.02
  5. Step 5: Solve for x
    x = 191,578,965.02/21,518.31
  6. Step 6: Final answer
    x = 8,903.07

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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.