Home / 42,853.91-64,297.77-13,274.04

Finding the Fourth Proportional to 42,853.91, 64,297.77 and 13,274.04

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Solution

The fourth proportional to 42,853.91, 64,297.77 and 13,274.04 is: 19,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,853.91 : 64,297.77 = 13,274.04 : x
  2. Step 2: Convert to fraction form
    42,853.91/64,297.77 = 13,274.04/x
  3. Step 3: Cross multiply
    42,853.91x = 64,297.77 × 13,274.04
  4. Step 4: Simplify right side
    42,853.91x = 853,491,362.23
  5. Step 5: Solve for x
    x = 853,491,362.23/42,853.91
  6. Step 6: Final answer
    x = 19,916.30

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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.