Home / 14,949.96-22,411.98-8,781

Finding the Fourth Proportional to 14,949.96, 22,411.98 and 8,781

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Solution

The fourth proportional to 14,949.96, 22,411.98 and 8,781 is: 13,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.96 : 22,411.98 = 8,781 : x
  2. Step 2: Convert to fraction form
    14,949.96/22,411.98 = 8,781/x
  3. Step 3: Cross multiply
    14,949.96x = 22,411.98 × 8,781
  4. Step 4: Simplify right side
    14,949.96x = 196,799,596.38
  5. Step 5: Solve for x
    x = 196,799,596.38/14,949.96
  6. Step 6: Final answer
    x = 13,163.89

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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.