Home / 22,409.40-30,923.76-12,335.88

Finding the Fourth Proportional to 22,409.40, 30,923.76 and 12,335.88

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Solution

The fourth proportional to 22,409.40, 30,923.76 and 12,335.88 is: 17,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.40 : 30,923.76 = 12,335.88 : x
  2. Step 2: Convert to fraction form
    22,409.40/30,923.76 = 12,335.88/x
  3. Step 3: Cross multiply
    22,409.40x = 30,923.76 × 12,335.88
  4. Step 4: Simplify right side
    22,409.40x = 381,471,792.51
  5. Step 5: Solve for x
    x = 381,471,792.51/22,409.40
  6. Step 6: Final answer
    x = 17,022.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.