Home / 19,964.56-29,953.32-9,577.12

Finding the Fourth Proportional to 19,964.56, 29,953.32 and 9,577.12

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Solution

The fourth proportional to 19,964.56, 29,953.32 and 9,577.12 is: 14,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.56 : 29,953.32 = 9,577.12 : x
  2. Step 2: Convert to fraction form
    19,964.56/29,953.32 = 9,577.12/x
  3. Step 3: Cross multiply
    19,964.56x = 29,953.32 × 9,577.12
  4. Step 4: Simplify right side
    19,964.56x = 286,866,540.04
  5. Step 5: Solve for x
    x = 286,866,540.04/19,964.56
  6. Step 6: Final answer
    x = 14,368.79

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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.