Home / 19,688.12-29,523.52-7,204.90

Finding the Fourth Proportional to 19,688.12, 29,523.52 and 7,204.90

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Solution

The fourth proportional to 19,688.12, 29,523.52 and 7,204.90 is: 10,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.12 : 29,523.52 = 7,204.90 : x
  2. Step 2: Convert to fraction form
    19,688.12/29,523.52 = 7,204.90/x
  3. Step 3: Cross multiply
    19,688.12x = 29,523.52 × 7,204.90
  4. Step 4: Simplify right side
    19,688.12x = 212,713,973.22
  5. Step 5: Solve for x
    x = 212,713,973.22/19,688.12
  6. Step 6: Final answer
    x = 10,804.18

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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.