Home / 19,554.64-29,331.54-4,763.64

Finding the Fourth Proportional to 19,554.64, 29,331.54 and 4,763.64

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Solution

The fourth proportional to 19,554.64, 29,331.54 and 4,763.64 is: 7,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.64 : 29,331.54 = 4,763.64 : x
  2. Step 2: Convert to fraction form
    19,554.64/29,331.54 = 4,763.64/x
  3. Step 3: Cross multiply
    19,554.64x = 29,331.54 × 4,763.64
  4. Step 4: Simplify right side
    19,554.64x = 139,724,897.21
  5. Step 5: Solve for x
    x = 139,724,897.21/19,554.64
  6. Step 6: Final answer
    x = 7,145.36

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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.