Home / 19,530.60-29,298.60-7,682.10

Finding the Fourth Proportional to 19,530.60, 29,298.60 and 7,682.10

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Solution

The fourth proportional to 19,530.60, 29,298.60 and 7,682.10 is: 11,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.60 : 29,298.60 = 7,682.10 : x
  2. Step 2: Convert to fraction form
    19,530.60/29,298.60 = 7,682.10/x
  3. Step 3: Cross multiply
    19,530.60x = 29,298.60 × 7,682.10
  4. Step 4: Simplify right side
    19,530.60x = 225,074,775.06
  5. Step 5: Solve for x
    x = 225,074,775.06/19,530.60
  6. Step 6: Final answer
    x = 11,524.21

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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.