Home / 13,699.56-20,556.36-5,807.46

Finding the Fourth Proportional to 13,699.56, 20,556.36 and 5,807.46

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Solution

The fourth proportional to 13,699.56, 20,556.36 and 5,807.46 is: 8,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.56 : 20,556.36 = 5,807.46 : x
  2. Step 2: Convert to fraction form
    13,699.56/20,556.36 = 5,807.46/x
  3. Step 3: Cross multiply
    13,699.56x = 20,556.36 × 5,807.46
  4. Step 4: Simplify right side
    13,699.56x = 119,380,238.45
  5. Step 5: Solve for x
    x = 119,380,238.45/13,699.56
  6. Step 6: Final answer
    x = 8,714.17

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1.5x scale

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.