Home / 14,972.25-22,458.29-3,878.91

Finding the Fourth Proportional to 14,972.25, 22,458.29 and 3,878.91

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Solution

The fourth proportional to 14,972.25, 22,458.29 and 3,878.91 is: 5,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.25 : 22,458.29 = 3,878.91 : x
  2. Step 2: Convert to fraction form
    14,972.25/22,458.29 = 3,878.91/x
  3. Step 3: Cross multiply
    14,972.25x = 22,458.29 × 3,878.91
  4. Step 4: Simplify right side
    14,972.25x = 87,113,666.27
  5. Step 5: Solve for x
    x = 87,113,666.27/14,972.25
  6. Step 6: Final answer
    x = 5,818.34

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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.