Home / 13,687.06-20,532.75-5,898.10

Finding the Fourth Proportional to 13,687.06, 20,532.75 and 5,898.10

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Solution

The fourth proportional to 13,687.06, 20,532.75 and 5,898.10 is: 8,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687.06 : 20,532.75 = 5,898.10 : x
  2. Step 2: Convert to fraction form
    13,687.06/20,532.75 = 5,898.10/x
  3. Step 3: Cross multiply
    13,687.06x = 20,532.75 × 5,898.10
  4. Step 4: Simplify right side
    13,687.06x = 121,104,212.78
  5. Step 5: Solve for x
    x = 121,104,212.78/13,687.06
  6. Step 6: Final answer
    x = 8,848.08

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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.