Home / 13,090.51-19,633.65-3,600.62

Finding the Fourth Proportional to 13,090.51, 19,633.65 and 3,600.62

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Solution

The fourth proportional to 13,090.51, 19,633.65 and 3,600.62 is: 5,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.51 : 19,633.65 = 3,600.62 : x
  2. Step 2: Convert to fraction form
    13,090.51/19,633.65 = 3,600.62/x
  3. Step 3: Cross multiply
    13,090.51x = 19,633.65 × 3,600.62
  4. Step 4: Simplify right side
    13,090.51x = 70,693,312.86
  5. Step 5: Solve for x
    x = 70,693,312.86/13,090.51
  6. Step 6: Final answer
    x = 5,400.35

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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.