Home / 13,454.48-20,181.56-4,689.37

Finding the Fourth Proportional to 13,454.48, 20,181.56 and 4,689.37

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Solution

The fourth proportional to 13,454.48, 20,181.56 and 4,689.37 is: 7,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.48 : 20,181.56 = 4,689.37 : x
  2. Step 2: Convert to fraction form
    13,454.48/20,181.56 = 4,689.37/x
  3. Step 3: Cross multiply
    13,454.48x = 20,181.56 × 4,689.37
  4. Step 4: Simplify right side
    13,454.48x = 94,638,763.29
  5. Step 5: Solve for x
    x = 94,638,763.29/13,454.48
  6. Step 6: Final answer
    x = 7,034.00

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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.