Home / 14,557.31-21,835.96-11,621.87

Finding the Fourth Proportional to 14,557.31, 21,835.96 and 11,621.87

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Solution

The fourth proportional to 14,557.31, 21,835.96 and 11,621.87 is: 17,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.31 : 21,835.96 = 11,621.87 : x
  2. Step 2: Convert to fraction form
    14,557.31/21,835.96 = 11,621.87/x
  3. Step 3: Cross multiply
    14,557.31x = 21,835.96 × 11,621.87
  4. Step 4: Simplify right side
    14,557.31x = 253,774,688.45
  5. Step 5: Solve for x
    x = 253,774,688.45/14,557.31
  6. Step 6: Final answer
    x = 17,432.80

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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.