Home / 19,965.16-29,928.54-9,566.44

Finding the Fourth Proportional to 19,965.16, 29,928.54 and 9,566.44

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Solution

The fourth proportional to 19,965.16, 29,928.54 and 9,566.44 is: 14,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.16 : 29,928.54 = 9,566.44 : x
  2. Step 2: Convert to fraction form
    19,965.16/29,928.54 = 9,566.44/x
  3. Step 3: Cross multiply
    19,965.16x = 29,928.54 × 9,566.44
  4. Step 4: Simplify right side
    19,965.16x = 286,309,582.20
  5. Step 5: Solve for x
    x = 286,309,582.20/19,965.16
  6. Step 6: Final answer
    x = 14,340.46

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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.