Home / 19,521.36-29,281.10-6,372

Finding the Fourth Proportional to 19,521.36, 29,281.10 and 6,372

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Solution

The fourth proportional to 19,521.36, 29,281.10 and 6,372 is: 9,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.36 : 29,281.10 = 6,372 : x
  2. Step 2: Convert to fraction form
    19,521.36/29,281.10 = 6,372/x
  3. Step 3: Cross multiply
    19,521.36x = 29,281.10 × 6,372
  4. Step 4: Simplify right side
    19,521.36x = 186,579,169.20
  5. Step 5: Solve for x
    x = 186,579,169.20/19,521.36
  6. Step 6: Final answer
    x = 9,557.69

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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.