Home / 13,465.47-20,207.42-4,700.38

Finding the Fourth Proportional to 13,465.47, 20,207.42 and 4,700.38

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Solution

The fourth proportional to 13,465.47, 20,207.42 and 4,700.38 is: 7,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.47 : 20,207.42 = 4,700.38 : x
  2. Step 2: Convert to fraction form
    13,465.47/20,207.42 = 4,700.38/x
  3. Step 3: Cross multiply
    13,465.47x = 20,207.42 × 4,700.38
  4. Step 4: Simplify right side
    13,465.47x = 94,982,564.57
  5. Step 5: Solve for x
    x = 94,982,564.57/13,465.47
  6. Step 6: Final answer
    x = 7,053.79

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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.