Home / 19,554.61-29,331.61-4,763.41

Finding the Fourth Proportional to 19,554.61, 29,331.61 and 4,763.41

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Solution

The fourth proportional to 19,554.61, 29,331.61 and 4,763.41 is: 7,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.61 : 29,331.61 = 4,763.41 : x
  2. Step 2: Convert to fraction form
    19,554.61/29,331.61 = 4,763.41/x
  3. Step 3: Cross multiply
    19,554.61x = 29,331.61 × 4,763.41
  4. Step 4: Simplify right side
    19,554.61x = 139,718,484.39
  5. Step 5: Solve for x
    x = 139,718,484.39/19,554.61
  6. Step 6: Final answer
    x = 7,145.04

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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.