Home / 14,367.92-21,547-5,605.36

Finding the Fourth Proportional to 14,367.92, 21,547 and 5,605.36

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Solution

The fourth proportional to 14,367.92, 21,547 and 5,605.36 is: 8,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367.92 : 21,547 = 5,605.36 : x
  2. Step 2: Convert to fraction form
    14,367.92/21,547 = 5,605.36/x
  3. Step 3: Cross multiply
    14,367.92x = 21,547 × 5,605.36
  4. Step 4: Simplify right side
    14,367.92x = 120,778,691.92
  5. Step 5: Solve for x
    x = 120,778,691.92/14,367.92
  6. Step 6: Final answer
    x = 8,406.14

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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.