Home / 19,815.88-29,727.80-6,492.64

Finding the Fourth Proportional to 19,815.88, 29,727.80 and 6,492.64

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Solution

The fourth proportional to 19,815.88, 29,727.80 and 6,492.64 is: 9,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.88 : 29,727.80 = 6,492.64 : x
  2. Step 2: Convert to fraction form
    19,815.88/29,727.80 = 6,492.64/x
  3. Step 3: Cross multiply
    19,815.88x = 29,727.80 × 6,492.64
  4. Step 4: Simplify right side
    19,815.88x = 193,011,903.39
  5. Step 5: Solve for x
    x = 193,011,903.39/19,815.88
  6. Step 6: Final answer
    x = 9,740.26

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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.