Home / 13,916.42-19,207.12-10,553.56

Finding the Fourth Proportional to 13,916.42, 19,207.12 and 10,553.56

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Solution

The fourth proportional to 13,916.42, 19,207.12 and 10,553.56 is: 14,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.42 : 19,207.12 = 10,553.56 : x
  2. Step 2: Convert to fraction form
    13,916.42/19,207.12 = 10,553.56/x
  3. Step 3: Cross multiply
    13,916.42x = 19,207.12 × 10,553.56
  4. Step 4: Simplify right side
    13,916.42x = 202,703,493.35
  5. Step 5: Solve for x
    x = 202,703,493.35/13,916.42
  6. Step 6: Final answer
    x = 14,565.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.