Home / 14,972.87-22,459.37-3,878.77

Finding the Fourth Proportional to 14,972.87, 22,459.37 and 3,878.77

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Solution

The fourth proportional to 14,972.87, 22,459.37 and 3,878.77 is: 5,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.87 : 22,459.37 = 3,878.77 : x
  2. Step 2: Convert to fraction form
    14,972.87/22,459.37 = 3,878.77/x
  3. Step 3: Cross multiply
    14,972.87x = 22,459.37 × 3,878.77
  4. Step 4: Simplify right side
    14,972.87x = 87,114,711.18
  5. Step 5: Solve for x
    x = 87,114,711.18/14,972.87
  6. Step 6: Final answer
    x = 5,818.17

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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.