Home / 14,188.08-21,269.76-5,862.88

Finding the Fourth Proportional to 14,188.08, 21,269.76 and 5,862.88

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Solution

The fourth proportional to 14,188.08, 21,269.76 and 5,862.88 is: 8,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.08 : 21,269.76 = 5,862.88 : x
  2. Step 2: Convert to fraction form
    14,188.08/21,269.76 = 5,862.88/x
  3. Step 3: Cross multiply
    14,188.08x = 21,269.76 × 5,862.88
  4. Step 4: Simplify right side
    14,188.08x = 124,702,050.51
  5. Step 5: Solve for x
    x = 124,702,050.51/14,188.08
  6. Step 6: Final answer
    x = 8,789.21

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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.