Home / 19,554.28-29,331.36-4,763.08

Finding the Fourth Proportional to 19,554.28, 29,331.36 and 4,763.08

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Solution

The fourth proportional to 19,554.28, 29,331.36 and 4,763.08 is: 7,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.28 : 29,331.36 = 4,763.08 : x
  2. Step 2: Convert to fraction form
    19,554.28/29,331.36 = 4,763.08/x
  3. Step 3: Cross multiply
    19,554.28x = 29,331.36 × 4,763.08
  4. Step 4: Simplify right side
    19,554.28x = 139,707,614.19
  5. Step 5: Solve for x
    x = 139,707,614.19/19,554.28
  6. Step 6: Final answer
    x = 7,144.61

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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.