Home / 19,557.14-29,335.64-16,916.79

Finding the Fourth Proportional to 19,557.14, 29,335.64 and 16,916.79

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Solution

The fourth proportional to 19,557.14, 29,335.64 and 16,916.79 is: 25,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.14 : 29,335.64 = 16,916.79 : x
  2. Step 2: Convert to fraction form
    19,557.14/29,335.64 = 16,916.79/x
  3. Step 3: Cross multiply
    19,557.14x = 29,335.64 × 16,916.79
  4. Step 4: Simplify right side
    19,557.14x = 496,264,903.69
  5. Step 5: Solve for x
    x = 496,264,903.69/19,557.14
  6. Step 6: Final answer
    x = 25,375.13

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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.