Home / 28,313.22-42,474.96-11,664

Finding the Fourth Proportional to 28,313.22, 42,474.96 and 11,664

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Solution

The fourth proportional to 28,313.22, 42,474.96 and 11,664 is: 17,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.22 : 42,474.96 = 11,664 : x
  2. Step 2: Convert to fraction form
    28,313.22/42,474.96 = 11,664/x
  3. Step 3: Cross multiply
    28,313.22x = 42,474.96 × 11,664
  4. Step 4: Simplify right side
    28,313.22x = 495,427,889.70
  5. Step 5: Solve for x
    x = 495,427,889.70/28,313.22
  6. Step 6: Final answer
    x = 17,498.11

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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.