Home / 13,225.22-19,838.99-4,905.33

Finding the Fourth Proportional to 13,225.22, 19,838.99 and 4,905.33

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Solution

The fourth proportional to 13,225.22, 19,838.99 and 4,905.33 is: 7,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.22 : 19,838.99 = 4,905.33 : x
  2. Step 2: Convert to fraction form
    13,225.22/19,838.99 = 4,905.33/x
  3. Step 3: Cross multiply
    13,225.22x = 19,838.99 × 4,905.33
  4. Step 4: Simplify right side
    13,225.22x = 97,316,730.68
  5. Step 5: Solve for x
    x = 97,316,730.68/13,225.22
  6. Step 6: Final answer
    x = 7,358.42

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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.