Home / 13,598.48-20,388.86-5,706.05

Finding the Fourth Proportional to 13,598.48, 20,388.86 and 5,706.05

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Solution

The fourth proportional to 13,598.48, 20,388.86 and 5,706.05 is: 8,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.48 : 20,388.86 = 5,706.05 : x
  2. Step 2: Convert to fraction form
    13,598.48/20,388.86 = 5,706.05/x
  3. Step 3: Cross multiply
    13,598.48x = 20,388.86 × 5,706.05
  4. Step 4: Simplify right side
    13,598.48x = 116,339,724.13
  5. Step 5: Solve for x
    x = 116,339,724.13/13,598.48
  6. Step 6: Final answer
    x = 8,555.35

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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.