Home / 14,475.14-19,976.28-8,187.50

Finding the Fourth Proportional to 14,475.14, 19,976.28 and 8,187.50

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Solution

The fourth proportional to 14,475.14, 19,976.28 and 8,187.50 is: 11,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.14 : 19,976.28 = 8,187.50 : x
  2. Step 2: Convert to fraction form
    14,475.14/19,976.28 = 8,187.50/x
  3. Step 3: Cross multiply
    14,475.14x = 19,976.28 × 8,187.50
  4. Step 4: Simplify right side
    14,475.14x = 163,555,792.50
  5. Step 5: Solve for x
    x = 163,555,792.50/14,475.14
  6. Step 6: Final answer
    x = 11,299.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.