Home / 13,148.04-19,736.10-7,316.04

Finding the Fourth Proportional to 13,148.04, 19,736.10 and 7,316.04

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Solution

The fourth proportional to 13,148.04, 19,736.10 and 7,316.04 is: 10,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.04 : 19,736.10 = 7,316.04 : x
  2. Step 2: Convert to fraction form
    13,148.04/19,736.10 = 7,316.04/x
  3. Step 3: Cross multiply
    13,148.04x = 19,736.10 × 7,316.04
  4. Step 4: Simplify right side
    13,148.04x = 144,390,097.04
  5. Step 5: Solve for x
    x = 144,390,097.04/13,148.04
  6. Step 6: Final answer
    x = 10,981.87

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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.