Home / 19,619.34-29,425.97-5,580.02

Finding the Fourth Proportional to 19,619.34, 29,425.97 and 5,580.02

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Solution

The fourth proportional to 19,619.34, 29,425.97 and 5,580.02 is: 8,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.34 : 29,425.97 = 5,580.02 : x
  2. Step 2: Convert to fraction form
    19,619.34/29,425.97 = 5,580.02/x
  3. Step 3: Cross multiply
    19,619.34x = 29,425.97 × 5,580.02
  4. Step 4: Simplify right side
    19,619.34x = 164,197,501.12
  5. Step 5: Solve for x
    x = 164,197,501.12/19,619.34
  6. Step 6: Final answer
    x = 8,369.17

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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.