Home / 19,562.29-29,357.27-7,716.45

Finding the Fourth Proportional to 19,562.29, 29,357.27 and 7,716.45

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Solution

The fourth proportional to 19,562.29, 29,357.27 and 7,716.45 is: 11,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.29 : 29,357.27 = 7,716.45 : x
  2. Step 2: Convert to fraction form
    19,562.29/29,357.27 = 7,716.45/x
  3. Step 3: Cross multiply
    19,562.29x = 29,357.27 × 7,716.45
  4. Step 4: Simplify right side
    19,562.29x = 226,533,834.65
  5. Step 5: Solve for x
    x = 226,533,834.65/19,562.29
  6. Step 6: Final answer
    x = 11,580.13

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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.