Home / 13,090.77-19,633.41-4,323.69

Finding the Fourth Proportional to 13,090.77, 19,633.41 and 4,323.69

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Solution

The fourth proportional to 13,090.77, 19,633.41 and 4,323.69 is: 6,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.77 : 19,633.41 = 4,323.69 : x
  2. Step 2: Convert to fraction form
    13,090.77/19,633.41 = 4,323.69/x
  3. Step 3: Cross multiply
    13,090.77x = 19,633.41 × 4,323.69
  4. Step 4: Simplify right side
    13,090.77x = 84,888,778.48
  5. Step 5: Solve for x
    x = 84,888,778.48/13,090.77
  6. Step 6: Final answer
    x = 6,484.63

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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.