Home / 19,363.08-29,041.10-5,131.64

Finding the Fourth Proportional to 19,363.08, 29,041.10 and 5,131.64

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Solution

The fourth proportional to 19,363.08, 29,041.10 and 5,131.64 is: 7,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.08 : 29,041.10 = 5,131.64 : x
  2. Step 2: Convert to fraction form
    19,363.08/29,041.10 = 5,131.64/x
  3. Step 3: Cross multiply
    19,363.08x = 29,041.10 × 5,131.64
  4. Step 4: Simplify right side
    19,363.08x = 149,028,470.40
  5. Step 5: Solve for x
    x = 149,028,470.40/19,363.08
  6. Step 6: Final answer
    x = 7,696.53

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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.