Home / 14,603.63-21,909.15-4,215.38

Finding the Fourth Proportional to 14,603.63, 21,909.15 and 4,215.38

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Solution

The fourth proportional to 14,603.63, 21,909.15 and 4,215.38 is: 6,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.63 : 21,909.15 = 4,215.38 : x
  2. Step 2: Convert to fraction form
    14,603.63/21,909.15 = 4,215.38/x
  3. Step 3: Cross multiply
    14,603.63x = 21,909.15 × 4,215.38
  4. Step 4: Simplify right side
    14,603.63x = 92,355,283.18
  5. Step 5: Solve for x
    x = 92,355,283.18/14,603.63
  6. Step 6: Final answer
    x = 6,324.13

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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.