Home / 23,780.20-35,831.11-19,710.76

Finding the Fourth Proportional to 23,780.20, 35,831.11 and 19,710.76

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Solution

The fourth proportional to 23,780.20, 35,831.11 and 19,710.76 is: 29,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.20 : 35,831.11 = 19,710.76 : x
  2. Step 2: Convert to fraction form
    23,780.20/35,831.11 = 19,710.76/x
  3. Step 3: Cross multiply
    23,780.20x = 35,831.11 × 19,710.76
  4. Step 4: Simplify right side
    23,780.20x = 706,258,409.74
  5. Step 5: Solve for x
    x = 706,258,409.74/23,780.20
  6. Step 6: Final answer
    x = 29,699.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.