Home / 19,160.94-28,738.98-14,237.76

Finding the Fourth Proportional to 19,160.94, 28,738.98 and 14,237.76

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Solution

The fourth proportional to 19,160.94, 28,738.98 and 14,237.76 is: 21,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.94 : 28,738.98 = 14,237.76 : x
  2. Step 2: Convert to fraction form
    19,160.94/28,738.98 = 14,237.76/x
  3. Step 3: Cross multiply
    19,160.94x = 28,738.98 × 14,237.76
  4. Step 4: Simplify right side
    19,160.94x = 409,178,699.88
  5. Step 5: Solve for x
    x = 409,178,699.88/19,160.94
  6. Step 6: Final answer
    x = 21,354.83

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1.5x scale

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.