Home / 19,723.17-29,574.55-7,239.99

Finding the Fourth Proportional to 19,723.17, 29,574.55 and 7,239.99

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Solution

The fourth proportional to 19,723.17, 29,574.55 and 7,239.99 is: 10,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.17 : 29,574.55 = 7,239.99 : x
  2. Step 2: Convert to fraction form
    19,723.17/29,574.55 = 7,239.99/x
  3. Step 3: Cross multiply
    19,723.17x = 29,574.55 × 7,239.99
  4. Step 4: Simplify right side
    19,723.17x = 214,119,446.25
  5. Step 5: Solve for x
    x = 214,119,446.25/19,723.17
  6. Step 6: Final answer
    x = 10,856.24

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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.