Home / 25,371.78-38,068.56-9,800.34

Finding the Fourth Proportional to 25,371.78, 38,068.56 and 9,800.34

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Solution

The fourth proportional to 25,371.78, 38,068.56 and 9,800.34 is: 14,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.78 : 38,068.56 = 9,800.34 : x
  2. Step 2: Convert to fraction form
    25,371.78/38,068.56 = 9,800.34/x
  3. Step 3: Cross multiply
    25,371.78x = 38,068.56 × 9,800.34
  4. Step 4: Simplify right side
    25,371.78x = 373,084,831.31
  5. Step 5: Solve for x
    x = 373,084,831.31/25,371.78
  6. Step 6: Final answer
    x = 14,704.72

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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.