Home / 13,916.31-19,229.94-10,132.88

Finding the Fourth Proportional to 13,916.31, 19,229.94 and 10,132.88

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Solution

The fourth proportional to 13,916.31, 19,229.94 and 10,132.88 is: 14,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.31 : 19,229.94 = 10,132.88 : x
  2. Step 2: Convert to fraction form
    13,916.31/19,229.94 = 10,132.88/x
  3. Step 3: Cross multiply
    13,916.31x = 19,229.94 × 10,132.88
  4. Step 4: Simplify right side
    13,916.31x = 194,854,623.76
  5. Step 5: Solve for x
    x = 194,854,623.76/13,916.31
  6. Step 6: Final answer
    x = 14,001.89

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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.