Home / 13,535.52-20,301.24-5,219.46

Finding the Fourth Proportional to 13,535.52, 20,301.24 and 5,219.46

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Solution

The fourth proportional to 13,535.52, 20,301.24 and 5,219.46 is: 7,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.52 : 20,301.24 = 5,219.46 : x
  2. Step 2: Convert to fraction form
    13,535.52/20,301.24 = 5,219.46/x
  3. Step 3: Cross multiply
    13,535.52x = 20,301.24 × 5,219.46
  4. Step 4: Simplify right side
    13,535.52x = 105,961,510.13
  5. Step 5: Solve for x
    x = 105,961,510.13/13,535.52
  6. Step 6: Final answer
    x = 7,828.40

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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.