Home / 19,643.16-29,465.22-5,604.45

Finding the Fourth Proportional to 19,643.16, 29,465.22 and 5,604.45

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Solution

The fourth proportional to 19,643.16, 29,465.22 and 5,604.45 is: 8,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.16 : 29,465.22 = 5,604.45 : x
  2. Step 2: Convert to fraction form
    19,643.16/29,465.22 = 5,604.45/x
  3. Step 3: Cross multiply
    19,643.16x = 29,465.22 × 5,604.45
  4. Step 4: Simplify right side
    19,643.16x = 165,136,352.23
  5. Step 5: Solve for x
    x = 165,136,352.23/19,643.16
  6. Step 6: Final answer
    x = 8,406.81

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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.