Home / 13,595.78-20,397.62-4,831.38

Finding the Fourth Proportional to 13,595.78, 20,397.62 and 4,831.38

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Solution

The fourth proportional to 13,595.78, 20,397.62 and 4,831.38 is: 7,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.78 : 20,397.62 = 4,831.38 : x
  2. Step 2: Convert to fraction form
    13,595.78/20,397.62 = 4,831.38/x
  3. Step 3: Cross multiply
    13,595.78x = 20,397.62 × 4,831.38
  4. Step 4: Simplify right side
    13,595.78x = 98,548,665.39
  5. Step 5: Solve for x
    x = 98,548,665.39/13,595.78
  6. Step 6: Final answer
    x = 7,248.47

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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.