Home / 25,905.34-38,831.86-10,100.49

Finding the Fourth Proportional to 25,905.34, 38,831.86 and 10,100.49

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Solution

The fourth proportional to 25,905.34, 38,831.86 and 10,100.49 is: 15,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.34 : 38,831.86 = 10,100.49 : x
  2. Step 2: Convert to fraction form
    25,905.34/38,831.86 = 10,100.49/x
  3. Step 3: Cross multiply
    25,905.34x = 38,831.86 × 10,100.49
  4. Step 4: Simplify right side
    25,905.34x = 392,220,813.61
  5. Step 5: Solve for x
    x = 392,220,813.61/25,905.34
  6. Step 6: Final answer
    x = 15,140.54

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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.