Home / 19,569.95-29,318.01-15,165.87

Finding the Fourth Proportional to 19,569.95, 29,318.01 and 15,165.87

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Solution

The fourth proportional to 19,569.95, 29,318.01 and 15,165.87 is: 22,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.95 : 29,318.01 = 15,165.87 : x
  2. Step 2: Convert to fraction form
    19,569.95/29,318.01 = 15,165.87/x
  3. Step 3: Cross multiply
    19,569.95x = 29,318.01 × 15,165.87
  4. Step 4: Simplify right side
    19,569.95x = 444,633,238.26
  5. Step 5: Solve for x
    x = 444,633,238.26/19,569.95
  6. Step 6: Final answer
    x = 22,720.21

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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.