Home / 13,929.72-19,180.98-12,037.83

Finding the Fourth Proportional to 13,929.72, 19,180.98 and 12,037.83

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Solution

The fourth proportional to 13,929.72, 19,180.98 and 12,037.83 is: 16,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.72 : 19,180.98 = 12,037.83 : x
  2. Step 2: Convert to fraction form
    13,929.72/19,180.98 = 12,037.83/x
  3. Step 3: Cross multiply
    13,929.72x = 19,180.98 × 12,037.83
  4. Step 4: Simplify right side
    13,929.72x = 230,897,376.47
  5. Step 5: Solve for x
    x = 230,897,376.47/13,929.72
  6. Step 6: Final answer
    x = 16,575.88

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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.